Material and necessary elements:
1. aluminum profile 15x15 mm, 90, 20 and 40 cm long,
2. measuring tape,
3. 4x M4x12 hex head screw,
4. 2x M5x10 hex head screw,
5. 2x low M5 square nuts
6. printed parts, downloadable models
7. cyanoacrylate glue
Tools: saw (for aluminum, a regular wood saw is enough), drill, drills and taps for M4 and M5 holes, Allen key for M4 screws.