Print specs at a glance
Wizard Tower Pen Holder — CC BY, free STL, D&D desk niche
Morass's fantasy castle pen holder just hit Cults3D under CC BY — free to print and sell, ~88% margin at $17.99, gray PLA reads as stone. Wizard tower keyword has Etsy room to rank.
A fantasy castle desk organizer just landed on Cults3D under CC BY — the cleanest commercial license available, requiring only attribution to print and sell freely. The designer is Morass, who previously gave the channel the MagDock (June 9) and the Infinity Cube (June 5). 1
The model is a squat stone wizard's tower that holds pens and pencils upright inside its hollow top — part functional organizer, part desktop statement piece for anyone in the D&D, RPG, or fantasy art crowd. That crossover appeal (practical item + identifiable subculture aesthetic) is exactly what Etsy's fantasy-gifts market rewards.
Quick reference
| Field | Details |
|---|---|
| Model | Wizard Tower Pen Holder — fantasy castle desk organizer |
| Designer | Morass |
| Platform | Cults3D |
| License | CC BY — print and sell physical copies; attribution to Morass required 1 |
| STL cost | Free (2 files) 1 |
| Category | Home / Desk Organizer |
| Published | June 16, 2026 1 |
| Download | cults3d.com — Wizard Tower Pen Holder |
One note on page access: Cults3D detail pages were Cloudflare-blocked during research. License and file count are confirmed via search snippet metadata. Print the model before committing to a batch to verify dimensions and layer quality against your slicer's preview.
What you're printing
The tower is a compact desk-height organizer with castle-style battlements, arched windows, and stone-texture detailing on the exterior walls. Pens and pencils drop into the open top. The aesthetic reads immediately as a wizard's study prop — not generic "medieval," but specifically fantasy-RPG, which matters for Etsy search visibility. Buyers searching "D&D desk accessories" or "wizard gift" land on it for a reason.
Cults3D detail pages were blocked during research, so confirmed dimensions are unavailable. Comparable models in the fantasy pen holder category on Etsy typically run 10–15 cm tall. Slice a test print first to confirm fit before batching. 1
The tower likely has overhangs on the battlements and window ledges. The settings below account for that.
Print settings
| Parameter | Recommended | Notes |
|---|---|---|
| Layer height | 0.2 mm | Standard; drop to 0.16 mm for sharper stone texture on exterior |
| Infill | 15–20% | Desk organizer doesn't need structural strength |
| Supports | Tree supports (auto) | Battlements and window ledges likely require support; remove carefully post-print |
| Bed adhesion | Brim (3–5 mm) | Stabilizes the narrow footprint during the tall print |
| Material | PLA or PLA+ | No heat exposure in desk use; PLA is sufficient |
| Nozzle temp | 200–215°C | Standard PLA range |
| Bed temp | 50–60°C | Standard PLA adhesion |
| Est. print time | 6–10 h | Estimate for mid-size tower; depends on final height and wall count |
| Difficulty | Beginner–Intermediate | Straightforward geometry; support removal adds a step |
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Support removal is the main post-processing step. Tree supports are preferable to grid supports here — they contact fewer exterior surfaces and leave cleaner stone texture behind.
Filament color strategy
Gray is the natural baseline — it reads as stone without any effort. But the listing photos that stand out on Etsy tend to go one step further:
- Stone gray PLA — Hatchbox Gray or eSUN PLA+ Gray. Default choice; lowest-effort, reads correctly in photos.
- Marble PLA — Polymaker Marble or PolyTerra Granite. The swirled texture reinforces the stone look with zero extra work. Good for hero listing photos.
- Dual color (gray base + metallic roof) — print the tower body in gray, pause at the battlements layer, swap to a copper or gold silk PLA for the roof section. Adds visual interest in listing photos and justifies a $2–3 premium over a single-color print.
- Matte black — reads as obsidian or volcanic stone; sharp contrast for dark-academia or villain-aesthetic buyers.
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Filament estimate: a 10–15 cm desk organizer at 15–20% infill runs roughly 80–130 g per unit, or $1.60–$2.60 in filament cost at $20/kg bulk PLA pricing.
Sales angle and Etsy pricing
Who buys this: D&D players and dungeon masters, tabletop RPG hobbyists, fantasy novel readers, teachers who run classroom RPGs, and anyone shopping for a "gift for the D&D nerd in my life." The pen holder sits cleanly in the $15–$25 Etsy sweet spot for fantasy desk accessories — above impulse-buy territory, below the price where buyers start expecting handmade craft quality.
Etsy comps for castle and tower pen holders show a validated range: 2
No dominant "wizard tower" seller with high review counts was identified, which means the specific "wizard tower" keyword string has room for a new listing to rank.
Unit economics at $17.99 retail (standard tier):
| Cost item | Amount |
|---|---|
| STL cost (free) | $0 |
| Filament (100 g PLA at $20/kg) | ~$2.00 |
| Total material cost/unit | ~$2.00 |
| Retail at $17.99 | $17.99 |
| After Etsy 6.5% + $0.20 listing fee | ~$16.62 net |
| Gross material margin | ~88–89% |
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The 6–10 hour print time means this is a one-per-printer-per-day item at volume — not a fast-batch play. The margin justifies the time if you're running a printer overnight. At $17.99, one sale per day covers roughly 50 units per month on a single machine.
Timing context: Father's Day was June 15, but back-to-school and "desk refresh" gifting picks up in late June through July. Fantasy and gaming accessories don't have a sharp seasonal peak — they move year-round, which is a plus for shelf life. A listing posted this week starts accumulating reviews heading into the August–September Etsy traffic uptick.
The listing differentiation move: Cults3D detail pages were inaccessible during research, so the model has no widely circulated renders online yet. Original photography of your physical print — especially in marble PLA or with a dual-color roof — becomes your primary listing differentiator against any future sellers using the same model. Print one test unit, photograph it on a clean surface next to a few pens and a d20, and you have a listing photo that beats any digital render.
Cover image: AI-generated representative render.
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