Hint: This is a working document, and it is not final or binding

Auto bed leveling
Flexible build plate with magnetic attachment for quick release of printed parts
The lowest unique part count of any 3D printer in the world
Volcano nozzle for 3x faster printing than the most popular 3d printer in the world - Prusa i3 mk3 - [1], and 5x higher than Ultimaker 5
Uses the most popular open source firmware in the world - Marlin
DIY design. We produce the only commercially available 3D printer in the world that can be built exactly using common, off-the-shelf parts
FreeCAD source: Full design file for the 3D printer and part libraries available in open source design software, FreeCAD.
Belt drive on all axes for faster speed on all the 3 axes
Universal Axis modular construction system, allowing bootstrapping to other variants
Scalable to high performance machines out of the box. See D3D Simple Expandability Value Proposition
The only 3D printer in the world with an Unlimited Lifetime Warrantee. We guarantee that our products can serve you for a lifetime of use, because you can repair, replace parts, and upgrade for as long as you like. We adhere to the Freedom of Repair Manifest. We provide a product development roadmap, and the tools for closed loop manufacturing. And if you want to recycle your product, just ship it or bring it back to us and receive a credit on future purchases. OSE Lifetime Guarantee
Un-patent pending. OSHWA certification for open source design is pending.
Respects Your Freedom certification pending

Benchmarking

D3D Simple Value Proposition