Assemblable pen holder! Mechanical puzzle with pistons and gears!

Assembly spoiler video: https://youtube.com/shorts/CEtuKXeiGJ8   Assemblable pen holder.Mechanical puzzle with pistons and gears.Easy to print, easy to assemble!No glue + no support + PLA = eco-friendly!! Why should you choose that pen holder?1- Easy to print.2- Easy to assemble and disassemble.3- Educational: Have you ever assembled a crankshaft mechanism?4- Eco-friendly: No glue required!5- Carefully designed to avoid waste: No need for supports!6- Anti-stress: Turn the knob when you feel bored!7- Designed to be printed even in regular PLA, less polluting than other materials!8- No screws or special tools needed, just print!9- Customize it with the extra pieces I provide or invent new accessories to apply!10- Commercial license for all (also if you are not a Triber): Want to sell what you print? You can do it without asking anything from the author! The important thing is not to distribute the file, the file is original and property of the author. What you print, instead, is yours