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 A12 120x120 & P14 140x140 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.Noctua fans are not included in this purchase!

Model is tested & suited on side of 120x120 Noctua A12 fan with: M4x40 screws, nut DIN 967 M4 with washer DIN 125 (tightening parts not included)!Model is tested & suited on side of 140x140 Noctua P14 fan with: M4x35 screws, nut DIN 967 M4 without washer (tightening parts not included)! Using other tightening sizes at your own risk to fit with part.

Item dimensions: 140x140x30mm.For other different lengths, please contact me.

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