Best solution is quality 3D print. I fixed my problem like that.
https://www.myminifactory.com/object/3d-print-neca-tmnt-top-leg-joint-replacement-69804
This is for leg joint. But you can get help for knee joint from someone who know 3D draw.
This is my friend's Leonardo (It is my cutom...
I think we will. It will be very suprising Toy Fair. There is also 30th anniversary of orijinal film. That's my though;
1/4 scale line: Casey Jones, April and Splinter
7" line 4 pack: Casey Jones, April, Tatsu and Disguise Raph
and other collectible stuff: Shredder's 1:1 replica helmet maybe...