I've found some 3d models that I want as an asset with collision, but I have zero idea on how to make it myself .... the idea is that I use these as little figurines for some scenes I have in mind
if anyone can help that would be amazing 
sketchfab.com
sketchfab.com
sketchfab.com
and if it's impossible, I totally understand
Female - Style 1 (Pose 4: Tired) - Download Free 3D model by Mifu Saja (@mifusaja)
Sample pose. Rigged Version: https://skfb.ly/on7Yx Revision 26/09/2023 Better naming convention, removing space and symbol other than dash and underscore. Add metalness, roughness, and normal maps for PBR Material Standard. - Female - Style 1 (Pose 4: Tired) - Download Free 3D model by...
Yandere Simulator Osana's portrait pose (Buggy) - Download Free 3D model by SLEEPWELLZZ (2ND ACCOUNT) (@PURPLE0972X2)
Osana Najimi official 3d model and portrait pose from the game “Yandere Simulator”. Credits: Tomuu, Noidor, YandereDev.... - Yandere Simulator Osana's portrait pose (Buggy) - Download Free 3D model by SLEEPWELLZZ (2ND ACCOUNT) (@PURPLE0972X2)
Yandere Simulator Raibaru Fumetsu new design - Download Free 3D model by SLEEPWELLZZ (@PURPLSZ)
This is the latest design of Raibaru Fumetsu from Yandere Simulator game. YandereDev has updated her design since the 1st of May 2025 last week, the reason YandereDev changed her design is because her hair in the 2021 update still had the resemblence as Satomi Makise (The asset that YandereDev...
and if it's impossible, I totally understand