Chain Link Klein Bottle

This model uses chain link latticing to represent a three-dimensional approximation of the four-dimensional “Klein Bottle.”

See here for video: https://youtu.be/AWJ-R3GBT80 

The concept of a Klein bottle was first described in 1882 by the German mathematician Felix Klein. It is a closed non-orientable surface that has no inside or outside. It is similar to the Möbius strip, but unlike the Möbius strip it has no boundaries and cannot physically exist in three-dimensional space.

In this three-dimensional representation, the surface intersects with itself, but in four-dimensional space the self-intersection can be eliminated. Unfortunately, I don’t have a 4D printer yet.

Modelling this intriguing shape in chain link latticing allows for visualization of the whole surface.


2x2 Multiboard Side Legacy Tile

2x2 Multiboard Side Tile.stl

Free Version Spike Line Wall Art Designs 

0.2x0.2_Model.stl

Stitch Pumpkin

carved_pumpkin.3mf

Chunky Mario - Super Mario Bros Kit | No Supports, No AMS, No Glue

Plate 2 - Earth Brown.stl

Warforged Monk A - With Free Dragon  - 5e DnD Inspired for RPG and Wargamers

32mm_ToA_Set_26_Monk_1.stl

Drakaryn Articulated Dragon

Drakaryn Articulated Dragon.stl

Baby Sushi Dragon

Cinderwing3D Baby Sushi Dragon.stl

TMNT bust (fan art)

tmnt-bust [eastman].stl

Wall Mounted Storage Bins

Bin for Inserts.stl

Cat Dragon

Cinderwing3D Cat Dragon.stl

KeyV2 G20 Cherry MX Keycap

G20-style 1u non-spherical 'flat' keycap for Cherry MX-compatible keyswitches, generated with the KeyV2 library by Robert Sheldon.

I tuned this model to print on my Phrozen Sonic Mini 4k with an 80/20 blend of Elegoo ABS-like and Siraya Tenacious resins, and fit Kailh BOX stems. 

If it doesn't fit, or if you'd like to generate other variants like scooped OEM or SA sets, check out the KeyV2 library at https://github.com/rsheldiii/keyV2

It's implemented in OpenSCAD and quite easy to use. Just edit src/settings.scad to generate your perfect key.

This model is licensed Creative Commons Noncommercial.

Creality Ender-3 S1 improved strain relief

An improved add-on strain relief for the Ender3 S1.

Print :
Resolution: 0.16 mm
Infill: 100%
Supports: Yes

$

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Chain Link Klein Bottle

2x2 Multiboard Side Legacy Tile

Free Version Spike Line Wall Art Designs

Stitch Pumpkin

Chunky Mario - Super Mario Bros Kit | No Supports, No AMS, No Glue

Warforged Monk A - With Free Dragon - 5e DnD Inspired for RPG and Wargamers

Drakaryn Articulated Dragon

Baby Sushi Dragon

TMNT bust (fan art)

Wall Mounted Storage Bins

Cat Dragon

KeyV2 G20 Cherry MX Keycap

Creality Ender-3 S1 improved strain relief

Balrog vs Gandalf Diorama (Pre-Supported)

Lioness - Cinder Hatchling

Flexi Hippo

Darth Vader Bust (Pre-Supported)

3DL Flexi Squirrel

M41A Pulse Rifle Keychain — Functional Blaster Toy

Cat - Cinder Hatchling