Stack-able Star Trek Coasters

Do you love Star Trek and hate watermarks? Then do I have a design for you! Enjoy!Print SettingsPrinter Brand:RepRapPrinter: Folger Tech 2020 i3Rafts:Doesn't MatterSupports: NoResolution:0.1-0.3Infill: 20%Notes:There is a version which will require support material that is designed to stack nice and neatly. And for those of us who just can never get support material to work just right there is a version with a nice flat bottom for easy printing. :)How I Designed ThisA friend recently moved and n