Online Tools

OpenJSCAD instance

An instance of the great OpenJSCAD program including my own examples and own libraries.

Internal only: Non public drafts

The place where all articles go before getting published to be previewed, read and re-read again before being partially re-written. This is a queue and attic at the same time and only accessible by the author and some selected reviewers

Internal only: Project wiki

The internal place where I gather information about upcoming projects to keep track or a log about progress as well as share information with other participants on the projects. Usually everything will move to the public section when finished.

LM317 calculator

A simple calculator for the LM317 adjustable voltage regulator

Data protection policy

Dipl.-Ing. Thomas Spielauer, Wien (

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