Summary

Update 9/27/2015
Uploaded the new and improved v3; changes include:

• better laser alignment
• moved fan to use stock mounting bolts with a spacer (last version was still hitting top on large prints)
• strong & lighter design
• easier assembly

Original:
Modifications to make this lighter weight, while adding reinforcements and cable management bits, works great!

ABS 50% infill works fine, 230C/110C