This adapters ware designed for Noctua fans in according to the measurements from the actual fans & their model(s). This bundle is 25% & will get you 2 design models in STL for multi-material 3D print. Here is a list of adapters you get in this bundle:

• 92x92 to 140x140 central mount (for Noctua P14 fan(s))
• 120x120 to 140x140 central mount (for Noctua P14 fan(s))

Main difference between this model & other's are:

• the expansion slots, which include all the air inlet & outlet from A12 120x120 or P14 140x140 fan(s):
• reduced noise from swirling air from inlet / outlet curved edges for smoother transition
• better stiffness
• & less air swirling designed by a mechanical engineer, in accordance with all best engineering practices.

Suggested higher temperature resistant 3D printing material advised: ABS, ASA, HIPS, PP, PC or Nylon.

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.Using other tightening sizes at your own risk to fit with part, except NA-SAV3 rubber mounts.

Item dimensions varies.

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