$2,00Difficult ground
MyMiniFactory
44 model
$2,00
$2,99Great Holy War: Dangerous Terrain
MyMiniFactory
$49,99SciFi City Set (Pre Supported) - Terrain Essentials | Cast n Play
MyMiniFactory
$0,99Flat Stone Ground 21 - Forest of Sesenbach | 28mm Fantasy Forest Scatter Terrain
MyMiniFactory
€2,95Heretic Front - Mine markers
MyMiniFactory
/https://fbi.cults3d.com/uploaders/21279737/illustration-file/411ad910-1a44-4807-8b4d-019514160d4d/2.png)
$3,00Xenochipper Mk III for Imperial Tanks
Cults3D
€5,29Craters
MyMiniFactory
€4,19Hexagon Rock Formation
MyMiniFactory
$4,50Temple ruins rubble
MyMiniFactory
€3,95Area Terrain Markers: Badlands
MyMiniFactory
$49,99Steampunk Workshop Set (Pre-Supported) - Terrain Essentials
MyMiniFactory
FreeA more difficult and larger test cube.
Printables
FreeA simple DIFFICULT jigsaw puzzle
Thingiverse
FreeA simple DIFFICULT jigsaw puzzle
MyMiniFactory
/https://fbi.cults3d.com/uploaders/48574611/illustration-file/8f3b3065-fca0-4cc7-8ddb-372d9bf6ef2e/Legion-of-Super-Villains-Mano.png)
$4,02Legion of Super Villains - Mano (Was difficult to model but when painted looks better)
Cults3D
FreeCura Profile 2.0.3.w (remix) for Crealty Ender 3 Pro. For difficult prints
Thingiverse
FreeSpanish Express Train
Printables
FreeMilo The Martian Test Print
Printables
FreeElegant Elf Statue – High Detail Fantasy Miniature (3D Printable STL)
Printables
FreeTwist Ink Pen MMU2 Challenge
Printables
FreeBridge Support Challenge
Printables
FreeSupport Settings Test - Torture Mode
Printables
FreeHelix challenge
Printables
$2,502-8-3 Puzzle
MyMiniFactory
FreeTorture Spider, 3D-printer torture test - overhangs - cooling - retraction - bed adhesion
Printables
FreeAccurate Printer Trophy | Precision Challenge
Printables
FreeImpossible printing test
Printables
FreeTree Sentinel
Sketchfab
/https://fbi.cults3d.com/uploaders/40900900/illustration-file/c43f14b4-84f7-4b3c-b9da-b0590ce00f8f/Batch_-_Meat_Boy.gif)
FreeSuper Meat Boy - Keychain and Coin/Badge
Cults3D
/https://fbi.cults3d.com/uploaders/34817596/illustration-file/86795c7e-1a8c-4f6f-9948-08de3091ab96/02_sq.jpg)
$3,36Coffee Sleeve — Functioning Eyeballs
Cults3D
/https://fbi.cults3d.com/uploaders/45637792/illustration-file/0ac3a383-d2fa-4553-b57f-cc604bbae61f/IMG_20260824_183754.jpg)
$4,49Frustrating Gift Cage
Cults3D
FreeIntuitive Difficulty RPG/Game Dice (D7 on D20)
Printables
/https://fbi.cults3d.com/uploaders/27331481/illustration-file/56a941ea-ee2d-416a-9ca8-ce2215377805/4fbd896c84be128c097f4fe1ee039e69.gif)
$5,62Legendary Difficulty Skull – STL 3D Printable Model
Cults3D
FreeTolerance Test 0.2mm / Difficulty: Normal
Printables
FreeTolerance Test 0.25mm / Difficulty: Easy
Printables
FreeTolerance Test 0.1mm / Difficulty: Very Hard
Printables
FreeTolerance Test 0.05mm / Difficulty: Ultra Hard
Printables
FreeTolerance Test 0.3mm / Difficulty: Very Easy
Printables
FreeTolerance Test 0.15mm / Difficulty: Hard
Printables
/https://fbi.cults3d.com/uploaders/39963589/illustration-file/4296c40c-9332-4b1d-a2d3-5d14bec240cd/Captura-de-pantalla-2026-10-01-120815.png)
$5,15halo legendary difficulty logo HD VERSION / Halo Elite skull HD VERSION
Cults3D
/https://fbi.cults3d.com/uploaders/29085129/illustration-file/c267c672-8471-4a9f-bcdd-3b23d28e0b49/01-dog-treat-puzzle-rotating-sliding-3d-print.png)
$3,92Dog Treat Puzzle "Treat Vault" – Rotate & Slide Enrichment Toy with 3 Difficulty Levels | No Supports
Cults3D
/https://fbi.cults3d.com/uploaders/29085129/illustration-file/a09203d6-69bc-470a-b717-96c052118303/01-cat-treat-puzzle-mushroom-forest-3d-print.png)
$3,36Cat Treat Puzzle Mushroom Forest – Interactive Enrichment Toy with Adjustable Difficulty | No Supports
Cults3D
/https://fbi.cults3d.com/uploaders/33907816/illustration-file/9ceff563-342b-412f-9f46-4e27c078ba49/01_hero.png)
$3,36Christmas Tree Maze Gift Box – Hidden Labyrinth Gift Card Holder (3 Difficulty Levels)
Cults3D
FreeEvergreen insert - remix of the trays and lids to allow avoiding the shallow trays which can be diffficult
Printables