designed using Fusion 360

These can be printed at a fairly low resolution as the only part that matters is the front part.

When slicing you need to make sure that the you change the measurements to the following

X - Short side 84mm

Y - long side 124mm

Z - depth - 20mm

The hardest part was getting the top curve correct, apart from that its just a simple door frame with an indent a central pillar with 2 equal pillar radiating from the centre. The sill was decorated with some simple circles with over-lapping smaller circles to break up the simplicity and to give the impression of a simple droid or creature language.