Rick Eason and Eric Fuller collaborated in production of Rick's design and it will likely never be repeated. A very satisfying solve if you like a purely logical puzzling experience but also solvable using the trial and error with observation method. Read Eric's comments at Logical Progression Interlocking Cube (Walnut) - Cubic Dissection – Cubicdissection
Specifications
Designer
Rick Eason
Craftsman / Manufacturer
Eric Fuller(with Rick's assistance)
Material
walnut/oak
Unit of Measurement
Inches
Size
3x3x3
Grade
(A) Collector: Flaws must be very minor, subtle, and difficult to identify.
Cosmetic Issues
none
Function
(2) Excellent: Very slightly loose or tight, no force needed, no alignment issues.