How to add more standards in existing DIN toolbox and where to find them? Please!

Hello everyone!

Please help me with this...

how to add more standards in exsisting DIN toolbox and where to find? Please!

Iam intrested in DIN 933, DIN934, DIN912 ... and more...( it would be god that they where configured as a normal, so I can easily change dim)

Thank you ,so much!

Regards!

SolidworksToolbox