diff --git a/mod/mould/casting_from_3D_positive_mould/mech/MycoLutions-FC-5.4-BigRep-hohl.stl b/mod/mould/casting_from_3D_positive_mould/mech/MycoLutions-FC-5.4-BigRep-hohl.stl
deleted file mode 100644
index 98c9426..0000000
Binary files a/mod/mould/casting_from_3D_positive_mould/mech/MycoLutions-FC-5.4-BigRep-hohl.stl and /dev/null differ
diff --git a/mod/mould/casting_from_3D_positive_mould/mech/MycoLutions-FC-5.4-Ultimaker-1-4.stl b/mod/mould/casting_from_3D_positive_mould/mech/Positiv-1-4-FC-5.4-Ultimaker.stl
similarity index 100%
rename from mod/mould/casting_from_3D_positive_mould/mech/MycoLutions-FC-5.4-Ultimaker-1-4.stl
rename to mod/mould/casting_from_3D_positive_mould/mech/Positiv-1-4-FC-5.4-Ultimaker.stl
diff --git a/mod/mould/casting_from_3D_positive_mould/mech/MycoLutions-FC-5.4-Ultimaker-2-4.stl b/mod/mould/casting_from_3D_positive_mould/mech/Positiv-2-4-FC-5.4-Ultimaker.stl
similarity index 100%
rename from mod/mould/casting_from_3D_positive_mould/mech/MycoLutions-FC-5.4-Ultimaker-2-4.stl
rename to mod/mould/casting_from_3D_positive_mould/mech/Positiv-2-4-FC-5.4-Ultimaker.stl
diff --git a/mod/mould/casting_from_3D_positive_mould/mech/MycoLutions-FC-5.4-Ultimaker-3-4.stl b/mod/mould/casting_from_3D_positive_mould/mech/Positiv-3-4-FC-5.4-Ultimaker.stl
similarity index 100%
rename from mod/mould/casting_from_3D_positive_mould/mech/MycoLutions-FC-5.4-Ultimaker-3-4.stl
rename to mod/mould/casting_from_3D_positive_mould/mech/Positiv-3-4-FC-5.4-Ultimaker.stl
diff --git a/mod/mould/casting_from_3D_positive_mould/mech/MycoLutions-FC-5.4-Ultimaker-4-4.stl b/mod/mould/casting_from_3D_positive_mould/mech/Positiv-4-4-FC-5.4-Ultimaker.stl
similarity index 100%
rename from mod/mould/casting_from_3D_positive_mould/mech/MycoLutions-FC-5.4-Ultimaker-4-4.stl
rename to mod/mould/casting_from_3D_positive_mould/mech/Positiv-4-4-FC-5.4-Ultimaker.stl
diff --git a/mod/mould/casting_from_3D_positive_mould/mech/MycoLutions-FC-5.4-BigRep-voll.stl b/mod/mould/casting_from_3D_positive_mould/mech/Positiv-ganz-FC-5.4-BigRep.stl
similarity index 100%
rename from mod/mould/casting_from_3D_positive_mould/mech/MycoLutions-FC-5.4-BigRep-voll.stl
rename to mod/mould/casting_from_3D_positive_mould/mech/Positiv-ganz-FC-5.4-BigRep.stl