K8200 Frame clip and locking pin for Velleman 3D printer

You probably discovered that mounting any accessories on the printer'™s frame is a bit inconvenient. It is a good idea with these square nuts slid in the frame but unfortunately if you want to add something after the printer is fully assembled - it can be very ungrateful.
Some of the areas are easy to be modified, like the vertical aluminium profiles - it requires just removing the top caps. However, some areas are very hard to access (like the Z carriage arm) - you would need to tear the prin