Greg just posted his own version of a GDEMU 3D printed tray for the Dreamcast. This design extends the SD card to make it easier to insert, as well as helps with airflow.
The full page with instructions and the 3D print files can be found in the (in-progress) 3DPrint section of the website here: https://www.retrorgb.com/gdemu3dprint.html
uxcell 50pcs M3x20mm Stainless Steel Countersunk Flat Head Phillips Machine Screws Bolts
$8.99Country of Manufacture: CHINA; Material: Stainless Steel; Net Weight: 43g Package Content: 50pcs(+/-2%) x Machine Screws; Main Color: Silver Tone Thread Diameter: M3; Thread Length: 20mm(0.78") Thread Pitch: 0.5mm; Drive Type: Phillips Head Diameter:... read more
(as of March 29, 2023 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
3D Solutech ST175CLPLA Natural Clear 1.75mm 3D Printer PLA Filament, Dimensional Accuracy +/- 0.03 mm, 2.2 LBS (1.0KG), Silver
1.75mm see through white pla filament For common 3d printers such as makerbot, RepRap, afinia, up, Mendel, flash forge, solidoodle 2, printrbot lc, makergear m2 and etc. Temperature range is 190 degree C - 220 degree C Country of origin: China
(as of March 29, 2023 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)