feat: Add 3dfilamentprofiles.com integration (Issue #7)

- Backend: Added ExternalSource enum, Filament3DFP model, and transform function
- Backend: Updated _sync() to fetch from both SpoolmanDB and 3dfilamentprofiles
- Frontend: Added source tabs to FilamentImportModal (All/SpoolmanDB/3DFP)
- Frontend: Updated ExternalFilament interface with source and temp range fields
- Frontend: Updated filament import handler to use temp range fields

Also includes:
- Dev mode styling (teal theme, DEV badge and banner)
- Translation keys for source filtering

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CLAUDE.md

@@ -132,7 +132,9 @@ This is a fork with UX improvements. Issues are tracked on the Gitea instance ab
 | 4 | Layout Max-Width | ✅ DONE |
 | 5 | Temperature Ranges | ✅ DONE |
 | 6 | Spool Adjustment History | ✅ DONE |
-| 7 | 3dfilamentprofiles Integration | Open |
+| 7 | 3dfilamentprofiles Integration | ✅ DONE |
+| 8 | (see Gitea #8) | ✅ DONE |
+| 9 | Hierarchical Locations (Room/Bin) | Open |
 
 ### Issue #1 Complete - Inline Creation Modals
 
@@ -213,3 +215,73 @@ Frontend:
 - `client/src/pages/spools/model.tsx` - Added `ISpoolAdjustment` interface
 - `client/src/pages/spools/show.tsx` - Collapsible adjustment history table
 - `client/public/locales/en/common.json` - Translation keys for history table
+
+### Issue #7 Complete - 3dfilamentprofiles Integration
+
+Added 3dfilamentprofiles.com as a second external database source alongside SpoolmanDB.
+
+Backend (`spoolman/externaldb.py`):
+- Added `ExternalSource` enum (SPOOLMANDB, FILAMENT_PROFILES_3D)
+- Added `Filament3DFP` model for raw 3dfp data
+- Added `_transform_3dfp_to_external()` to convert 3dfp format to ExternalFilament
+- Updated `_sync()` to fetch from both sources and merge results
+- Environment variables: `EXTERNAL_DB_3DFP_URL`, `EXTERNAL_DB_3DFP_ENABLED`
+
+Frontend:
+- `client/src/utils/queryExternalDB.ts` - Added `ExternalSource` enum, `source` field, temp range fields
+- `client/src/components/filamentImportModal.tsx` - Added tabs to filter by source (All/SpoolmanDB/3DFP)
+- `client/src/pages/filaments/create.tsx` - Updated import handler for temp range fields
+
+Data mapping (3dfp → Spoolman):
+- `brand_name` → `manufacturer`
+- `color` + `material_type` → `name`
+- `rgb` → `color_hex` (strip # prefix)
+- `properties.temp_min/max` → `extruder_temp/extruder_temp_max`
+- `properties.bed_temp_min/max` → `bed_temp/bed_temp_max`
+- Diameter defaults to 1.75mm (3dfp doesn't provide)
+- Density from material lookup table
+
+---
+
+## Local Development Setup
+
+To run locally against the Unraid PostgreSQL database:
+
+```bash
+# Create virtualenv and install deps
+python3 -m venv .venv
+source .venv/bin/activate
+pip install -e ".[postgres]"
+
+# Start backend (reads .env file)
+source .venv/bin/activate
+export $(grep -v '^#' .env | xargs)
+uvicorn spoolman.main:app --host 0.0.0.0 --port 7912
+
+# Start frontend (separate terminal)
+cd client
+VITE_APIURL=http://localhost:7912/api/v1 npm run dev
+```
+
+Access at http://localhost:5173
+
+### Dev Mode Styling
+
+Files modified for dev version visual distinction:
+- `client/src/contexts/color-mode/index.tsx` - Teal primary color (#0891b2)
+- `client/src/components/layout.tsx` - "DEV BUILD" banner and badge
+
+Set `IS_DEV = false` in layout.tsx to disable dev styling.
+
+---
+
+## Known Issues / TODO
+
+### Filament Select Not Refreshing After Inline Creation
+When creating a filament via the inline modal on spool create page, the select dropdown doesn't immediately show the new filament with its name (shows ID instead).
+
+Attempted fixes:
+- Added `refetch` from `useGetFilamentSelectOptions` hook
+- Called `await refetchFilaments()` before setting form value
+
+Still not working reliably. May need to investigate react-query cache invalidation timing or add the new option manually to the select options array.

client/public/locales/en/common.json

@@ -276,6 +276,8 @@
             "filament_updated": "This filament has been updated by someone/something else since you opened this page. Saving will overwrite those changes!",
             "import_external": "Import from External",
             "import_external_description": "Select a filament in the list to automatically populate its details in the filament creation form. This will overwrite any data you have entered in the form.<br><br>A Manufacturer object will be created automatically when you click Ok, if necessary.",
+            "all_sources": "All Sources",
+            "select_filament": "Select a filament...",
             "created_success": "Created filament \"{{name}}\"",
             "vendor_placeholder": "Select a manufacturer",
             "name_placeholder": "E.g. Matte Black",

client/src/components/filamentImportModal.tsx

@@ -1,9 +1,10 @@
 import { useTranslate } from "@refinedev/core";
-import { Form, Modal, Select } from "antd";
+import { Form, Modal, Select, Tabs } from "antd";
+import { useMemo, useState } from "react";
 import { Trans } from "react-i18next";
 import { formatFilamentLabel } from "../pages/spools/functions";
 import { searchMatches } from "../utils/filtering";
-import { ExternalFilament, useGetExternalDBFilaments } from "../utils/queryExternalDB";
+import { ExternalFilament, ExternalSource, useGetExternalDBFilaments } from "../utils/queryExternalDB";
 
 export function FilamentImportModal(props: {
   isOpen: boolean;
@@ -12,12 +13,25 @@ export function FilamentImportModal(props: {
 }) {
   const [form] = Form.useForm();
   const t = useTranslate();
+  const [selectedSource, setSelectedSource] = useState<ExternalSource | "all">("all");
 
   const externalFilaments = useGetExternalDBFilaments();
-  const filamentOptions =
-    externalFilaments.data?.map((item) => {
+
+  // Filter and format filaments based on selected source
+  const filamentOptions = useMemo(() => {
+    const filtered = externalFilaments.data?.filter((item) => {
+      if (selectedSource === "all") return true;
+      return item.source === selectedSource;
+    }) ?? [];
+
+    const options = filtered.map((item) => {
+      // Add source indicator to label if showing all
+      const sourceIndicator = selectedSource === "all" && item.source === ExternalSource.FILAMENT_PROFILES_3D
+        ? "[3DFP] "
+        : "";
+
       return {
-        label: formatFilamentLabel(
+        label: sourceIndicator + formatFilamentLabel(
           item.name,
           item.diameter,
           item.manufacturer,
@@ -28,8 +42,23 @@ export function FilamentImportModal(props: {
         value: item.id,
         item: item,
       };
-    }) ?? [];
-  filamentOptions.sort((a, b) => a.label.localeCompare(b.label, undefined, { sensitivity: "base" }));
+    });
+
+    options.sort((a, b) => a.label.localeCompare(b.label, undefined, { sensitivity: "base" }));
+    return options;
+  }, [externalFilaments.data, selectedSource]);
+
+  // Count filaments by source
+  const counts = useMemo(() => {
+    const spoolmandb = externalFilaments.data?.filter(f => f.source === ExternalSource.SPOOLMANDB || !f.source).length ?? 0;
+    const threeDFP = externalFilaments.data?.filter(f => f.source === ExternalSource.FILAMENT_PROFILES_3D).length ?? 0;
+    return { spoolmandb, threeDFP, total: spoolmandb + threeDFP };
+  }, [externalFilaments.data]);
+
+  const handleSourceChange = (key: string) => {
+    setSelectedSource(key as ExternalSource | "all");
+    form.resetFields(["filament"]);
+  };
 
   return (
     <Modal
@@ -37,7 +66,36 @@ export function FilamentImportModal(props: {
       open={props.isOpen}
       onOk={() => form.submit()}
       onCancel={() => props.onClose()}
+      width={600}
     >
+      <p>
+        <Trans
+          i18nKey={"filament.form.import_external_description"}
+          components={{
+            br: <br />,
+          }}
+        />
+      </p>
+
+      <Tabs
+        activeKey={selectedSource}
+        onChange={handleSourceChange}
+        items={[
+          {
+            key: "all",
+            label: `${t("filament.form.all_sources")} (${counts.total})`,
+          },
+          {
+            key: ExternalSource.SPOOLMANDB,
+            label: `SpoolmanDB (${counts.spoolmandb})`,
+          },
+          {
+            key: ExternalSource.FILAMENT_PROFILES_3D,
+            label: `3D Filament Profiles (${counts.threeDFP})`,
+          },
+        ]}
+      />
+
       <Form
         layout="vertical"
         form={form}
@@ -49,21 +107,15 @@ export function FilamentImportModal(props: {
           props.onImport(filament);
           props.onClose();
           form.resetFields();
+          setSelectedSource("all");
         }}
       >
-        <p>
-          <Trans
-            i18nKey={"filament.form.import_external_description"}
-            components={{
-              br: <br />,
-            }}
-          />
-        </p>
         <Form.Item name="filament" rules={[{ required: true }]}>
           <Select
             options={filamentOptions}
             showSearch
             filterOption={(input, option) => typeof option?.label === "string" && searchMatches(input, option?.label)}
+            placeholder={t("filament.form.select_filament")}
           />
         </Form.Item>
       </Form>

client/src/components/layout.tsx

@@ -1,12 +1,15 @@
 import { ThemedLayout, ThemedSider, ThemedTitle } from "@refinedev/antd";
 import { useTranslate } from "@refinedev/core";
-import { Button } from "antd";
+import { Badge, Button } from "antd";
 import { Footer } from "antd/es/layout/layout";
 import Logo from "../icon.svg?react";
 import { getBasePath } from "../utils/url";
 import { Header } from "./header";
 import { Version } from "./version";
 
+// DEV VERSION indicator
+const IS_DEV = true;
+
 const SpoolmanFooter: React.FC = () => {
   const t = useTranslate();
 
@@ -50,17 +53,50 @@ interface SpoolmanLayoutProps {
   children: React.ReactNode;
 }
 
+const DevTitle: React.FC<{ collapsed: boolean }> = ({ collapsed }) => (
+  <div style={{ display: "flex", alignItems: "center", gap: 8 }}>
+    <ThemedTitle collapsed={collapsed} text="Spoolman" icon={<Logo />} />
+    {IS_DEV && !collapsed && (
+      <Badge
+        count="DEV"
+        style={{
+          backgroundColor: "#0891b2",
+          fontSize: 10,
+          fontWeight: "bold",
+          marginLeft: -8,
+          marginTop: -20,
+        }}
+      />
+    )}
+  </div>
+);
+
 export const SpoolmanLayout: React.FC<SpoolmanLayoutProps> = ({ children }) => (
   <ThemedLayout
     Header={() => <Header sticky />}
     Sider={() => (
       <ThemedSider
         fixed
-        Title={({ collapsed }) => <ThemedTitle collapsed={collapsed} text="Spoolman" icon={<Logo />} />}
+        Title={({ collapsed }) => <DevTitle collapsed={collapsed} />}
       />
     )}
     Footer={() => <SpoolmanFooter />}
   >
+    {IS_DEV && (
+      <div
+        style={{
+          background: "linear-gradient(90deg, #0891b2 0%, #06b6d4 50%, #0891b2 100%)",
+          color: "white",
+          textAlign: "center",
+          padding: "4px 0",
+          fontSize: 12,
+          fontWeight: "bold",
+          letterSpacing: 1,
+        }}
+      >
+        🚀 DEV BUILD - Connected to Unraid PostgreSQL
+      </div>
+    )}
     <div
       style={{
         maxWidth: 1400,

client/src/contexts/color-mode/index.tsx

@@ -41,7 +41,9 @@ export const ColorModeContextProvider: React.FC<PropsWithChildren> = ({ children
         theme={{
           algorithm: mode === "light" ? defaultAlgorithm : darkAlgorithm,
           token: {
-            colorPrimary: "#dc7734",
+            // DEV VERSION: Teal/cyan theme to distinguish from production orange
+            colorPrimary: "#0891b2",
+            colorInfo: "#0891b2",
           },
         }}
       >

client/src/pages/filaments/create.tsx

@@ -127,9 +127,9 @@ export const FilamentCreate: React.FC<IResourceComponentsProps & CreateOrClonePr
       multi_color_hexes: filament.color_hexes?.join(",") || undefined,
       multi_color_direction: filament.multi_color_direction,
       settings_extruder_temp_min: filament.extruder_temp || undefined,
-      settings_extruder_temp_max: filament.extruder_temp || undefined,
+      settings_extruder_temp_max: filament.extruder_temp_max || filament.extruder_temp || undefined,
       settings_bed_temp_min: filament.bed_temp || undefined,
-      settings_bed_temp_max: filament.bed_temp || undefined,
+      settings_bed_temp_max: filament.bed_temp_max || filament.bed_temp || undefined,
     });
   };
 

client/src/pages/spools/create.tsx

@@ -1,6 +1,6 @@
 import { MinusOutlined, PlusOutlined } from "@ant-design/icons";
 import { Create, useForm } from "@refinedev/antd";
-import { HttpError, IResourceComponentsProps, useInvalidate, useTranslate } from "@refinedev/core";
+import { HttpError, IResourceComponentsProps, useTranslate } from "@refinedev/core";
 import { Alert, Button, DatePicker, Divider, Form, Input, InputNumber, Radio, Select, Typography } from "antd";
 import TextArea from "antd/es/input/TextArea";
 import dayjs from "dayjs";
@@ -33,7 +33,6 @@ export const SpoolCreate: React.FC<IResourceComponentsProps & CreateOrCloneProps
   const t = useTranslate();
   const extraFields = useGetFields(EntityType.spool);
   const currency = useCurrency();
-  const invalidate = useInvalidate();
   const [isFilamentModalOpen, setIsFilamentModalOpen] = useState(false);
 
   const { form, formProps, formLoading, onFinish, redirect } = useForm<
@@ -82,14 +81,12 @@ export const SpoolCreate: React.FC<IResourceComponentsProps & CreateOrCloneProps
     internalSelectOptions,
     externalSelectOptions,
     allExternalFilaments,
+    refetch: refetchFilaments,
   } = useGetFilamentSelectOptions();
 
   const handleFilamentCreated = async (filament: IFilament) => {
-    // Invalidate filament cache so the select options refresh
-    await invalidate({
-      resource: "filament",
-      invalidates: ["list"],
-    });
+    // Refetch filament list so the select options include the new filament
+    await refetchFilaments();
     // Select the newly created filament
     form.setFieldValue("filament_id", filament.id);
     setIsFilamentModalOpen(false);

client/src/pages/spools/functions.tsx

@@ -190,6 +190,7 @@ export function useGetFilamentSelectOptions() {
     internalSelectOptions: filamentSelectInternal,
     externalSelectOptions: filamentSelectExternal,
     allExternalFilaments: externalFilaments.data,
+    refetch: internalFilaments.refetch,
   };
 }
 

client/src/utils/queryExternalDB.ts

@@ -22,25 +22,33 @@ export enum Pattern {
   SPARKLE = "sparkle",
 }
 
+export enum ExternalSource {
+  SPOOLMANDB = "spoolmandb",
+  FILAMENT_PROFILES_3D = "3dfilamentprofiles",
+}
+
 export interface ExternalFilament {
   id: string;
   manufacturer: string;
   name: string;
   material: string;
   density: number;
-  weight: number;
+  weight?: number;
   spool_weight?: number;
   spool_type?: SpoolType;
   diameter: number;
   color_hex?: string;
   color_hexes?: string[];
   extruder_temp?: number;
+  extruder_temp_max?: number;
   bed_temp?: number;
+  bed_temp_max?: number;
   finish?: Finish;
   multi_color_direction?: MultiColorDirection;
   pattern?: Pattern;
   translucent: boolean;
   glow: boolean;
+  source?: ExternalSource;
 }
 
 export interface ExternalMaterial {

codex.md

@@ -0,0 +1,39 @@
+# Repository Guidelines
+
+## Project Structure & Module Organization
+- `spoolman/` holds the FastAPI backend, SQLAlchemy models, and API routes (`spoolman/api/v1/`).
+- `client/` is the React + TypeScript UI (Vite), with pages under `client/src/pages/` and shared components under `client/src/components/`.
+- `migrations/` contains Alembic migrations; versions live in `migrations/versions/`.
+- `tests_integration/` holds pytest integration tests and Docker Compose configs for multiple databases.
+- `scripts/` provides install/start helpers; `Dockerfile` and `entrypoint.sh` support container builds.
+
+## Build, Test, and Development Commands
+- `pdm install` installs backend dependencies (including dev tools).
+- `pdm run app` starts the API server (`uvicorn spoolman.main:app`).
+- `pdm run itest` runs integration tests across all databases.
+- `pdm run docs` generates API documentation.
+- `python tests_integration/run.py sqlite postgres` runs tests for selected DBs.
+- `cd client && npm ci` installs UI deps; `npm run dev` starts the UI dev server; `npm run build` creates a production build.
+- `bash scripts/install.sh` bootstraps a local install; `bash scripts/start.sh` runs using `.env`.
+
+## Coding Style & Naming Conventions
+- Python: Black + Ruff, 120-char lines (`pyproject.toml`). Prefer async patterns in backend code.
+- TypeScript/React: follow existing conventions (pages in lowercase file names, shared components in `PascalCase`).
+- Keep naming aligned with existing modules (e.g., `spool`, `filament`, `vendor`).
+
+## Testing Guidelines
+- Tests use `pytest` with async support; files follow `test_*.py` and functions start with `test_`.
+- Integration tests are the primary suite; run via `pdm run itest` or `python tests_integration/run.py`.
+
+## Database Migrations
+- Update models in `spoolman/database/models.py`.
+- Start the server once, then generate a migration: `pdm run alembic revision -m "desc" --autogenerate`.
+- Review and format migrations with Black/Ruff before committing.
+
+## Commit & Pull Request Guidelines
+- Follow commit history conventions (e.g., `feat:`, `docs:`, `fix:`) and keep messages concise.
+- PRs should include a short summary, testing performed, and screenshots for UI changes.
+- Link relevant issues where applicable.
+
+## Configuration Tips
+- Copy `.env.example` to `.env` for local runs; key variables include `SPOOLMAN_DB_TYPE`, `SPOOLMAN_PORT`, and `VITE_APIURL`.

spoolman/externaldb.py

@@ -6,7 +6,7 @@ import os
 from collections.abc import Iterator
 from enum import Enum
 from pathlib import Path
-from typing import Optional
+from typing import Any, Optional
 from urllib.parse import urljoin
 
 import hishel
@@ -20,8 +20,16 @@ logger = logging.getLogger(__name__)
 
 
 DEFAULT_EXTERNAL_DB_URL = "https://donkie.github.io/SpoolmanDB/"
+DEFAULT_3DFP_URL = "https://raw.githubusercontent.com/jklewa/filament-profiles-data/main/"
 DEFAULT_SYNC_INTERVAL = 3600
 
+
+class ExternalSource(Enum):
+    """External database sources."""
+
+    SPOOLMANDB = "spoolmandb"
+    FILAMENT_PROFILES_3D = "3dfilamentprofiles"
+
 controller = hishel.Controller(allow_stale=True)
 try:
     cache_path = get_cache_dir() / "hishel"
@@ -62,7 +70,7 @@ class ExternalFilament(BaseModel):
     name: str = Field(description="Filament name.", examples=["Polysonic\u2122 Black"])
     material: str = Field(description="Filament material.", examples=["PLA"])
     density: float = Field(description="Density in g/cm3.", examples=[1.23])
-    weight: float = Field(description="Net weight of a single spool.", examples=[1000])
+    weight: Optional[float] = Field(default=None, description="Net weight of a single spool.", examples=[1000])
     spool_weight: Optional[float] = Field(default=None, description="Weight of an empty spool.", examples=[140])
     spool_type: Optional[SpoolType] = Field(None, description="Type of spool.", examples=[SpoolType.PLASTIC])
     diameter: float = Field(description="Filament in mm.", examples=[1.75])
@@ -77,7 +85,9 @@ class ExternalFilament(BaseModel):
         examples=[["2c3232", "5f5f5f"]],
     )
     extruder_temp: Optional[int] = Field(default=None, description="Extruder/nozzle temperature in °C.", examples=[210])
+    extruder_temp_max: Optional[int] = Field(default=None, description="Max extruder temp in °C.", examples=[220])
     bed_temp: Optional[int] = Field(default=None, description="Bed temperature in °C.", examples=[50])
+    bed_temp_max: Optional[int] = Field(default=None, description="Max bed temp in °C.", examples=[60])
     finish: Optional[Finish] = Field(default=None, description="Finish of the filament.", examples=[Finish.MATTE])
     multi_color_direction: Optional[MultiColorDirection] = Field(
         default=None,
@@ -87,6 +97,10 @@ class ExternalFilament(BaseModel):
     pattern: Optional[Pattern] = Field(default=None, description="Pattern of the filament.", examples=[Pattern.MARBLE])
     translucent: bool = Field(default=False, description="Whether the filament is translucent.")
     glow: bool = Field(default=False, description="Whether the filament is glow-in-the-dark.")
+    source: ExternalSource = Field(
+        default=ExternalSource.SPOOLMANDB,
+        description="External database source this filament came from.",
+    )
 
 
 class ExternalFilamentsFile(RootModel):
@@ -120,11 +134,146 @@ class ExternalMaterialsFile(RootModel):
         return self.root[index]
 
 
+# 3dfilamentprofiles.com data models
+class FilamentProperties3DFP(BaseModel):
+    """Properties object from 3dfilamentprofiles."""
+
+    temp_min: Optional[int] = None
+    temp_max: Optional[int] = None
+    bed_temp_min: Optional[int] = None
+    bed_temp_max: Optional[int] = None
+    spool_weight: Optional[float] = None
+    flow_ratio: Optional[float] = None
+
+
+class Filament3DFP(BaseModel):
+    """Raw filament data from 3dfilamentprofiles.com."""
+
+    id: int
+    brand_name: str
+    material: str
+    material_type: Optional[str] = None
+    color: str
+    rgb: Optional[str] = None
+    properties: Optional[dict[str, Any]] = None
+
+
+class FilamentsFile3DFP(BaseModel):
+    """The filaments.json file from 3dfilamentprofiles."""
+
+    filaments: list[Filament3DFP]
+
+
+# Material density defaults (used when 3dfilamentprofiles doesn't provide density)
+MATERIAL_DENSITIES: dict[str, float] = {
+    "PLA": 1.24,
+    "ABS": 1.04,
+    "PETG": 1.27,
+    "NYLON": 1.52,
+    "TPU": 1.21,
+    "PC": 1.3,
+    "WOOD": 1.28,
+    "CF": 1.3,
+    "PC/ABS": 1.19,
+    "HIPS": 1.03,
+    "PVA": 1.23,
+    "ASA": 1.05,
+    "PP": 0.9,
+    "POM": 1.4,
+    "PMMA": 1.18,
+    "FPE": 2.16,
+}
+
+
+def _get_density_for_material(material: str) -> float:
+    """Get density for a material, defaulting to PLA's density if unknown."""
+    material_upper = material.upper()
+    for key, density in MATERIAL_DENSITIES.items():
+        if key in material_upper:
+            return density
+    return 1.24  # Default to PLA density
+
+
+def _transform_3dfp_to_external(filament: Filament3DFP) -> ExternalFilament:
+    """Transform a 3dfilamentprofiles filament to ExternalFilament format."""
+    # Build name from material_type and color
+    name_parts = []
+    if filament.material_type:
+        name_parts.append(filament.material_type)
+    name_parts.append(filament.color)
+    name = " ".join(name_parts)
+
+    # Handle color hex (3dfp includes # prefix, SpoolmanDB doesn't)
+    color_hex = None
+    if filament.rgb:
+        color_hex = filament.rgb.lstrip("#").lower()
+
+    # Extract properties
+    props = filament.properties or {}
+    extruder_temp = props.get("temp_min")
+    extruder_temp_max = props.get("temp_max")
+    bed_temp = props.get("bed_temp_min")
+    bed_temp_max = props.get("bed_temp_max")
+    spool_weight = props.get("spool_weight")
+
+    # Determine finish from material_type
+    finish = None
+    if filament.material_type:
+        material_type_lower = filament.material_type.lower()
+        if "matte" in material_type_lower:
+            finish = Finish.MATTE
+        elif "glossy" in material_type_lower or "silk" in material_type_lower:
+            finish = Finish.GLOSSY
+
+    # Determine pattern from material_type
+    pattern = None
+    if filament.material_type:
+        material_type_lower = filament.material_type.lower()
+        if "marble" in material_type_lower:
+            pattern = Pattern.MARBLE
+        elif "sparkle" in material_type_lower or "glitter" in material_type_lower:
+            pattern = Pattern.SPARKLE
+
+    return ExternalFilament(
+        id=f"3dfp_{filament.id}",
+        manufacturer=filament.brand_name,
+        name=name,
+        material=filament.material,
+        density=_get_density_for_material(filament.material),
+        weight=None,  # 3dfp doesn't provide filament weight
+        spool_weight=spool_weight,
+        spool_type=None,
+        diameter=1.75,  # Default, 3dfp doesn't provide diameter
+        color_hex=color_hex,
+        color_hexes=None,
+        extruder_temp=extruder_temp,
+        extruder_temp_max=extruder_temp_max,
+        bed_temp=bed_temp,
+        bed_temp_max=bed_temp_max,
+        finish=finish,
+        multi_color_direction=None,
+        pattern=pattern,
+        translucent=False,
+        glow=False,
+        source=ExternalSource.FILAMENT_PROFILES_3D,
+    )
+
+
 def get_external_db_url() -> str:
     """Get the external database URL from environment variables. Defaults to DEFAULT_EXTERNAL_DB_URL."""
     return os.getenv("EXTERNAL_DB_URL", DEFAULT_EXTERNAL_DB_URL)
 
 
+def get_3dfp_url() -> str:
+    """Get the 3dfilamentprofiles URL from environment variables."""
+    return os.getenv("EXTERNAL_DB_3DFP_URL", DEFAULT_3DFP_URL)
+
+
+def is_3dfp_enabled() -> bool:
+    """Check if 3dfilamentprofiles sync is enabled."""
+    return os.getenv("EXTERNAL_DB_3DFP_ENABLED", "true").lower() in ("true", "1", "yes")
+
+
 def get_external_db_sync_interval() -> int:
     """Get the external database sync interval from environment variables. Defaults to DEFAULT_SYNC_INTERVAL."""
     return int(os.getenv("EXTERNAL_DB_SYNC_INTERVAL", DEFAULT_SYNC_INTERVAL))
@@ -166,22 +315,70 @@ def get_materials_file() -> Path:
     return filecache.get_file("materials.json")
 
 
+def _parse_3dfp_filaments(data: bytes) -> list[Filament3DFP]:
+    """Parse 3dfilamentprofiles JSON data."""
+    try:
+        parsed = FilamentsFile3DFP.model_validate_json(data)
+        return parsed.filaments
+    except Exception:
+        # Fallback: try parsing as raw list
+        import json
+
+        raw = json.loads(data)
+        if isinstance(raw, dict) and "filaments" in raw:
+            return [Filament3DFP.model_validate(f) for f in raw["filaments"]]
+        return []
+
+
 async def _sync() -> None:
     logger.info("Syncing external DB.")
 
-    url = get_external_db_url()
+    all_filaments: list[ExternalFilament] = []
 
-    filaments = _parse_filaments_from_bytes(await _download_file(urljoin(url, "filaments.json")))
-    materials = _parse_materials_from_bytes(await _download_file(urljoin(url, "materials.json")))
+    # Sync SpoolmanDB
+    spoolmandb_url = get_external_db_url()
+    if spoolmandb_url.strip():
+        try:
+            spoolmandb_filaments = _parse_filaments_from_bytes(
+                await _download_file(urljoin(spoolmandb_url, "filaments.json"))
+            )
+            # Mark all SpoolmanDB filaments with source
+            for filament in spoolmandb_filaments.root:
+                filament.source = ExternalSource.SPOOLMANDB
+            all_filaments.extend(spoolmandb_filaments.root)
+            logger.info("SpoolmanDB synced: %d filaments", len(spoolmandb_filaments.root))
+        except Exception as e:
+            logger.warning("Failed to sync SpoolmanDB: %s", e)
 
-    _write_to_local_cache("filaments.json", filaments.json().encode())
-    _write_to_local_cache("materials.json", materials.json().encode())
+    # Sync 3dfilamentprofiles
+    if is_3dfp_enabled():
+        url_3dfp = get_3dfp_url()
+        if url_3dfp.strip():
+            try:
+                raw_data = await _download_file(urljoin(url_3dfp, "sample-filaments.json"))
+                filaments_3dfp = _parse_3dfp_filaments(raw_data)
+                transformed = [_transform_3dfp_to_external(f) for f in filaments_3dfp]
+                all_filaments.extend(transformed)
+                logger.info("3dfilamentprofiles synced: %d filaments", len(transformed))
+            except Exception as e:
+                logger.warning("Failed to sync 3dfilamentprofiles: %s", e)
 
-    logger.info(
-        "External DB synced. Filaments: %d, Materials: %d",
-        len(filaments.root),
-        len(materials.root),
-    )
+    # Write combined filaments
+    combined = ExternalFilamentsFile(root=all_filaments)
+    _write_to_local_cache("filaments.json", combined.model_dump_json().encode())
+
+    # Materials only from SpoolmanDB
+    if spoolmandb_url.strip():
+        try:
+            materials = _parse_materials_from_bytes(
+                await _download_file(urljoin(spoolmandb_url, "materials.json"))
+            )
+            _write_to_local_cache("materials.json", materials.model_dump_json().encode())
+            logger.info("Materials synced: %d", len(materials.root))
+        except Exception as e:
+            logger.warning("Failed to sync materials: %s", e)
+
+    logger.info("External DB sync complete. Total filaments: %d", len(all_filaments))
 
 
 def schedule_tasks(scheduler: Scheduler) -> None: