Youtube Automata | 動態機構大全 | 連桿機構 | 

FreeCAD 3D 列印齒輪

Gear Generator(齒輪線上模擬及圖檔產生器)

http://geargenerator.com/#200,200,100,6,1,0,0,4,1,8,2,4,27,-90,0,0,16,4,4,27,-60,1,1,12,1,12,20,-60,2,0,60,5,12,20,0,0,0,2,-563

Online gear template generator - Woodgears

https://woodgears.ca/gear_cutting/template.html

風力紙機械 http://craftel.org 

Linkage:Generates and modifies inkage mechanisms