I like this model, bacauce the the pin catode is visible on the bottom surface of the component.
Nice colors and sizes are OK.
STEP file downloaded an...

Great model in Altium.  I didn''t have to adjust rotation or z height.  It lined up perfectly.  As to the complaint about color not showing up in Prot...

Nice green color in Proteus. Thank you!

Colour doesn''t appear in proteus though.

No green color