Welcome to rattleCAD

rattleCAD is free and openSource Software for Bicycle Frame Builders completely build in tclTk. rattleCAD provides fully parametric bicycle Design and supports export formats SVG and DXF as well as HTML 5 and pdf. A components library for mockup your bicycle can be extended for your own needs.

rattleCAD 3.3.06.36

... feel free to download latest Release of rattleCAD from sourceforge.net

Animation / Screenshot

animated static fullsize Rendering of a SVG out of rattleCAD, done in any VectorGraphic Editor that reads SVG

rattleCAD ScreenShots: 3.3.06.34

rattleCAD Features

Parametric Design

All the graphics are configurable by parameters to configure your Bicycle Frame.

Basic Parameters
Frame/Tube Details
Rear Mockup (ChainStay)
Rim Table
direct editable Dimensions
outside/in and inside/out modes to define frame geometry

Tube Miter

rattleCAD supports your work in the workshop. Print out the tube miters and cut the tube ends per hand.

Drawing Export Formats

rattleCAD supports different formats to exchange your graphics with other tools (CAD, Desktop Publishing, ...).

.pdf .... Portable Document Format
.html ... Hypertext Markup Language (HTML5)
.svg .... Standard Vector Graphic
.dxf .... Drawing Interchange File
.ps ..... Postscript

Mockup

rattleCAD provides a Components Library build up from SVG-Files to mockup your Bike. Extend your Library with own Components.

Derailleur
Crankset
Handlebar
Saddle
Brake
Fork
BottleCage
Dropout

RearMockup

rattleCAD provides Analysis of RearWheel, Crankset and Chainstay.

custom Chainwheels
custom Crankset arm length
straight/bent Chainstay

FrameJig Support

rattleCAD supports different types of FrameJigs.

User Interface

rattleCAD provides an improved GUI for comfortable usage.

Config Panel with all Parameters at a glance.
Mouse Support
Keyboard Support
direct editable Dimensions
Scale, Move and Scroll