Reach 3D Hot End Carriage, Fan Mount, and Z Probe Carriage

Hot End Carriage: Removable carriage that doesn't affect the Z Probe. This design allows for quick swaps of hot ends, laser module, pen, etc. Carriages for the other items have not been designed as of yet.
Materials:
1 x 30x30mm fan
2 x M5x60 bolt
2 x M5 Nuts
2 x M3x25 Bolt
4 x M3x20 Bolt
6 x M3 Nut

Fan Mount: Uses a 50mm radial fan. The fan is held in with a M3x25 bolt.You may need to redrill and tap the hole. I printed it with the wrong hole size so I didn't have the ability to tap t