Hi! I designed this AMS and AMS HT  sliding for two different drawer slides.  
You can install the Spoolbox I designed instead of the AMS HT 

This design is for 300 mm full extension 12".
 300 mm x 45.5 mm x 12.7 mm (you can install any length)

Check the file here: [https://a360.co/4mX3X7F](https://a360.co/4mX3X7F)

BOM: 
4 - Socket Head Screw M3 x 0.5 mm Thread, 25 mm Long
9 - Socket Head Screw M3 x 0.5 mm Thread, 20 mm Long
35 - Socket Head Screw M3 x 0.5 mm Thread, 16 mm Long
10 - Socket Head Screw M3 x 0.5 mm Thread, 12 mm Long
4 - Socket Head Screw M3 x 0.5 mm Thread, 6-8 mm Long
63 - Hex Nut, M3 x 0.5 mm Thread
LED Strip 

Watch the following video to assemble the pieces (going to update the instructions soon, the way how to install the AMS changed):