This adapter was designed for Noctua fans in according to the measurements from the actual fans & their model(s). Main difference between this model & other's are: the expansion slots, which include all the air inlet & outlet from 80x80 & 92x92 fan(s)reduced noise from swirling air from inlet / outletcurved edges for smoother transition, better stiffness & less air swirlingdesigned by a mechanical engineer, in accordance with all best engineering practices. Suggested higher temperature resitant 3D printing material advised: ABS, ASA, HIPS, PP, PC or Nylon.

Model is tested & suited on side of 80x80 Noctua fan with: M4x35 screws, nut DIN 967 M4 with washer DIN 125 (tightening parts not included)! Model is tested & suited on side of 92x92 Noctua fan with: M5x30 screws, nut M4 with washer DIN 433 (tightening parts not included)! Using other tightening sizes at your own risk to fit with part.

Item dimensions: 120x120x25mm.

For any aditional questions &/or suggetion, contact me freely. Other sizes or inclination(s) can be made on request!