I have made a new proxy model suitable for your Warhammer 40k Aeldari army. The space elves war walker with various weapon options, the models weapon arms have pre-cut 3x2mm magnet holes allowing you to magnetizing the weapons load out.
This resin model is easy to assemble and paint.
Got a 3D printer? Then you can download the STL files for the Space Elves war walker from Cults3D, MyMinifactory, MiniHoarder or CGTrader.