Mainly, the attachment point is set too high. You can see the first golden shape is clipping through Atlas Prime's "hood". The thing is it's using a higher than intended attachment point: You can see Excalibur has it sitting lower: For reference, Atlas Prime is using the proper attachment point when using the Gara signature Syandana: TL;DR: Please lower the Y offset for the Massif Prime Syandana on Atlas Prime so it doesn't clip through the Warframe it's design