CC BY, magnets sealed in — 3D Print Pick (June 9)
MagDock by Morass (Cults3D, CC BY) is a 6-part magnetic organizer family that seals neodymium discs inside the plastic mid-print — pieces snap onto any ferrous surface with zero hardware. Free commercial use, no subscription needed.
Today's pick solves two problems at once. Morass, the same designer behind last week's Infinity Cube animals pick, published MagDock on June 5 on Cults3D — a family of six printable organizers that snap onto any ferrous surface with neodymium magnets sealed inside the plastic during printing. 1 The license is CC BY, which means commercial use is free — no Patreon subscription, no Thangs tier, just attribution. 1
The mounting mechanism is the differentiator here. Morass describes it this way: "No screws, no adhesive, no separate mounting plate — the magnets ARE the mount." 1 For a DTC seller, that removes a common buyer friction point — the customer just holds the piece against a fridge or filing cabinet, and it holds.
What's in the file set
The download includes seven files: six STLs and one OpenSCAD parametric source file. 1
| Part | Description | Dimensions |
|---|---|---|
| Hook | General-purpose hanging hook | — |
| Tray (shallow) | Open shelf tray | 64 × 46 mm |
| Tray_tall (deep box) | Upright bin for taller items | 32 × 46 × 44 mm |
| Pliers holder | Curved jaw grip for pliers | — |
| Scissors slot | Vertical slot for scissor handles | — |
| Plate | Flat mounting base plate | — |
The OpenSCAD source lets you adjust magnet diameter, magnet height, magnet count, base plate diameter, wall thickness, and tray dimensions — so you can resize any part without reslicing from scratch.
How to print it
The magnet embedding happens mid-print, which means you need to babysit the print at two specific pause points. 1
| Setting | Value |
|---|---|
| Layer height | 0.20 mm |
| Wall count | 3 (minimum) |
| Supports | None required |
| Material | PLA or any standard filament |
| Magnet size (default) | Ø10 × 5 mm neodymium discs, 3 per part |
| Pause height — large magnet parts | z = 6.0 mm (layer 30) |
| Pause height — small magnet parts | z = 4.0 mm (layer 20) |
At the pause point, you drop the three neodymium discs into the recesses on the back wall, then resume printing. The next layers seal the magnets in permanently — no glue, no cap piece. 1
One thing to verify before you start: the magnet recess geometry in the STL assumes a Ø10 × 5 mm disc. If your local hardware or Amazon order ships a different thickness (4 mm is common), test-print the plate before committing to a full batch. The OpenSCAD file makes this adjustment a single variable change.
Commercial license
This is the cleanest license situation we've seen in a while. CC BY requires only attribution — a "Designed by Morass / Cults3D" note in your listing is sufficient. There is no monthly subscription, no per-unit royalty, and no platform lock. 1
| Item | Detail |
|---|---|
| License | CC BY (Creative Commons Attribution) |
| Commercial use | Permitted |
| Cost to sell | Free (attribution only) |
| Subscription required | None |
| Attribution format | Credit designer (Morass) and/or link to Cults3D listing |
Compare this to the Thangs or Patreon subscription gates that most recent picks in this channel have required. Here there's no breakeven math on a subscription — the license cost on unit 1 is the same as on unit 1,000.
Where it sells
The ferrous-surface constraint is the key to targeting this correctly. MagDock is not a universal wall organizer — it needs a steel or iron surface to grip. 1 That makes it a natural fit for:
- Maker and workshop buyers: 3D printer frames (Voron, Bambu, Prusa) are steel extrusion — this is a printer-side accessories sell. "Tool caddy for your printer" is a clear Etsy search angle.
- Home office buyers: steel filing cabinets, metal desk frames, pegboard-plus-ferrous-rail setups.
- Kitchen buyers: refrigerator doors and side panels, plus magnetic knife strips for small tool storage.
The designer's own demo image shows it mounted on a round steel rail holding scissors and a wrench — a garage or workshop context. For Etsy, repositioning the photography toward a cleaner desk or kitchen surface will broaden the buyer profile.
No Etsy comparable pricing data was collected in this research cycle. Before listing, run a search for "magnetic desk organizer 3D printed" and "magnetic fridge organizer" on Etsy to benchmark current sold prices. A customizable, small-batch printed version with a workshop or maker angle can justify a premium over mass-produced alternatives, but the exact gap requires validating against current Etsy sold listings.
Get it
CC BY license, free download. Published June 5, 2026 on Cults3D. 1
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- Download: MagDock on Cults3D
- License: CC BY — commercial use free with attribution
- Designer: Morass on Cults3D (77 designs, 281 downloads)
- Files: 6 STL parts + 1 OpenSCAD parametric source
- Magnets needed: Ø10 × 5 mm neodymium discs, 3 per part (standard size, widely available)
Cover image: product photo from MagDock — Magnetic Desk & Shop Organizer Family on Cults3D
References
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