Inside 3d.grp. If you need the files themselves you can run decompress.exe. If you just need access to the models in DWEdit the filenames are
Actuv.j3d (and ...Actuv_m.j3d)
Actuv2.j3d (and ...Actuv2m.j3d)
Actuv3.j3d (and ...Actuv3_m.j3d)
Actuv4.j3d (and ...Actuv4_m.j3d)
Actuv5.j3d (and ...Actuv5_m.j3d)
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