postcard holder
thingiverse
To display postcards on a table, use the provided design despite its fishy appearance. You can even scale it down slightly for better viewing. Layers are visible at 0.2mm thickness, which I find appealing, but feel free to adjust according to your preference and print as thinly as desired.
Download Model from thingiverse
With this file you will be able to print postcard holder with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on postcard holder.