New Engine Display Stands

I've been designing these engine display stands and wanted to share them and maybe get some feedback. My main focus initially was to find a display solution for engines with postage stamp type back plates and also for the first series horseshoe type. After I accomplished those I decided to keep going, so now I have most of the Cox .049/.051 engines covered.

Key features are:
Easy and secure placement of the engine onto the display stand without the need for additional mounting hardware, tools or time.
Minimal interference - meaning the back of the engine doesn't get covered by having it mounted onto a flat surface. Key identifying features aren't blocked from view, the entire engine remains visible.

Here are some pictures:


Postage stamp type back plates.


Horseshoe type back plates.


Fuel tank type, both long 8cc and short 5cc tanks.


Some displays.



My brother-in-law currently has two models listed on his Etsy page but I'll be listing them all on eBay soon too. Here's a link to his Etsy page, check out his other items while you're there. https://www.etsy.com/listing/1131291198/cox-engine-display-mount-secure-stand

Let me know what you think about these!