About this 3D model
Built from scratch in OpenSCAD. Easy to modify. Compatible with the old STL's. Put some solid walls around the Frame Plastic to add strength. There is 2 versions you can choose from. The one with the extra cross also has thicker walls and thicker plate. 5 mm versus 4 mm backplate. Prints very well here. Advantage of a plate like this, it's easier to print this plastic accurate than most of the mendelmax frame plastic which has difficult to print walls standing. I printed just one of the first design. Printed 3 so far from