File _constraints of Package openscad
<constraints> <hardware> <physicalmemory> <size unit="G">3</size> </physicalmemory> <memory> <size unit="G">5</size> </memory> </hardware> </constraints>
<constraints> <hardware> <physicalmemory> <size unit="G">3</size> </physicalmemory> <memory> <size unit="G">5</size> </memory> </hardware> </constraints>