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Models shared by the SO3D.xyz community. Open any of them in the generator to see exactly how it was built, remix it, or print it as-is. Browse the model library by category

Preview of Two-cup water level
By Krypto
Complexity
Simple (set)
MAIN PURPOSE: Carry a level line across a room or round a corner with two cups and a tube of water
Builders levelled the pyramids and the first houses with nothing but water, and it still beats a bubble level over long distances. Join two of these cups with any length of clear tube and fill them halfway: the water surface in both cups always sits at exactly the same height, wherever you put them. Hold one against your mark, then carry the other across the room, round a corner or to the far end of a fence, and mark where its water settles. Perfect for shelves, fences, patios and tiles.
AR view Open in app
Preview of ER32 collet rack
By Krypto
Complexity
Advanced
MAIN PURPOSE: Stand ER32 collets in order by size
A bench rack for machinists and CNC routers: eight ER32 collets sit nose-down in a row, in size order, so the right one is picked first time instead of being dug out of a box. The tray below catches chips and coolant.
AR view Open in app
Preview of Pin Pilot
By Krypto
Complexity
Simple
MAIN PURPOSE: Start small nails without hitting fingers
Press a panel pin or small nail into the slot that grips it and tap it in while holding the long handle: your fingers stay 100 mm from the hammer, and the three slots take shanks from 1.4 to 3 mm. Pull the holder away sideways once the nail stands on its own.
AR view Open in app
Preview of Arc Rider
By Krypto
Complexity
Medium
MAIN PURPOSE: Turn a tape measure into a big compass
Slide the clip onto a tape measure blade and push a pencil through the side ring: hook the tape over a nail at the centre point, lock it at the radius you want and swing it, and the pencil draws circles and arcs as large as the tape is long, for arches, round tables and garden beds.
AR view Open in app
Preview of Stitch Clam
By Krypto
Complexity
Simple
MAIN PURPOSE: Hold leather for hand stitching
A leather stitching clam: glue a strip of scrap leather to the inside of each jaw tip, grip the long spring jaws between your knees and the faced jaws pinch the leather edge, holding it upright and still so both hands are free for saddle stitching with two needles.
AR view Open in app
Preview of Scalene bevel triangle 15, 30, 45
By Krypto
Complexity
Medium
MAIN PURPOSE: Set exact bevel angles on a saw
A triangle whose corners are 45, 60 and 75 degrees: stand it on the saw table against the tilted blade and its sides set the bevel to 45, 30 or 15 degrees exactly, without trusting the saw's worn tilt scale. It works against a mitre gauge, a drill press table or a sanding disc too.
AR view Open in app
Preview of Self-centring dowelling jig for 18 mm board
By Krypto
Complexity
Advanced
MAIN PURPOSE: Drill centred dowel holes in board edges
Drop the jig over the edge of 18 mm board: the two fences straddle it, so the guide holes sit dead centre on the edge, 32 mm apart, and the double guide plates keep an 8 mm bit square. Drill both parts from their face side and the dowels line up every time. Print it as shown, then turn it over so the floor becomes the top.
AR view Open in app
Preview of Hand tap square-start guide
By Krypto
Complexity
Advanced
MAIN PURPOSE: Start hand taps square to the work
Clamp or hold the block over a drilled hole and start the tap through the matching guide: two plates 30 mm apart keep an M3, M4, M5 or M6 tap square to the work for the first turns, the moment where most crooked threads and snapped taps happen.
AR view Open in app
Preview of Threaded rod cutting guide
By Krypto
Complexity
Medium
MAIN PURPOSE: Cut threaded rod square without damaging threads
Run a nut onto M6, M8 or M10 threaded rod, push the rod down through the guide to your mark and saw along the slot between the two plates: the cut comes out square and the thread is supported right up to the blade, and backing the nut off over the end re-forms the first thread.
AR view Open in app
Preview of Square-head bench dogs
By Krypto
Complexity
Advanced (set)
MAIN PURPOSE: Fence and square work on a dog-hole bench
A 19 mm peg for 20 mm dog holes with a square head whose four flat faces each sit exactly 20 mm from the peg centre: two dogs make a fence parallel to the hole grid, three make a square corner, and the flat faces spread the pressure instead of denting edges like round dogs.
AR view Open in app

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