The following list of hardware components allow you to build a custom probe to be used with RoboDK TwinTrack.
1.One HTC Vive Tracker (any version supported, 3.0 recommended): HTC Vive Tracker 3 On Amazon. Price estimate: 200 EUR.
2.Two Valve Index Base stations. Actually any version should work as long as it is compatible with the corresponding HTV Vive Tracker. Valve Base stations on Amazon. Price estimate: 500 EUR for both units.
3.Two tripods for the Valve Base stations. Sample part on Amazon. Price estimate: 100 EUR.
4.One Renishaw ruby ball with 40 mm length and 4 mm diameter. Such as the A-5003-0060. Price estimate: 80 EUR.
5.Two Push button switches, one red and one green, 12 mm diameter. Pressing the button powers on (closes the circuit), releasing the button powers off (open circuit): Example product on Amazon. Price estimate: 15 EUR.
6.Three Spring loaded pogo pins 0856-0-15-20-82-14-11-0 (3 units). Sample product from DigiKey . Price estimate: 20 EUR.
7.Electric wire to connect the switches (less than 1m). Sample order on Amazon. Price estimate: 25 EUR.
8.One button head socket cap screw ¼-20 x 1”: Sample product on Amazonopen. Price estimate: 10 EUR.
9.Five 3D printed parts, the main body, the probe holder, the top probe, the tracker connector and the connector cap. You can download the 3D printed parts required to build the TwinTrack probe here. The 3D printed parts of the TwinTrack probe are also available on GrabCad and Thinginverse.