I recommend watching the video, which goes over all the changes made, why, and how, in what I hope is an entertaining format. I know it's a bit on the long side; that's because the explanations aim to comprehensible by anyone, even people who aren't familiar with how 3D game assets work.

This is a bunch of graphical fixes for the Dr. Grordbort items, including fixes for the models, textures, materials, and rigging.


Here is a list of all the fixes made:

Cow Mangler 5000:
-Fixed the inverted normal map
-Fixed misaligned textures at near the front of the weapon
-Fixed the weapon not glowing when minicrit/crit boosted

Righteous Bison:
-Fixed the inverted normal map

Phlogistinator:
-Fixed the UV mapping at the bottom of the canister
-Fixed the mismatched material lighting at the bottom of the canister
-Fixed the Phong mask being inconsistent between RED and BLU teams
-Fixed the Pyro not pulling the weapon's trigger when firing
-Created new LOD models to replace the old distorted ones

Manmelter:
-Fixed the inverted normal map
-Created new LOD models to replace the old distorted ones

Third Degree:
-Fixed the inverted normal map
-Fixed UV mapping error at the bottom of the handle
-Created new LOD models to replace the old distorted ones

Pomson 6000
-Fixed a clipping issue
-Request to Valve: based on development screenshots, the Pomson may have originally been submitted with a normal map and Phong mask. If this is true, this is a request to have them added to the Pomson's material settings

Eureka Effect:
-Request to Valve: The Eureka Effect may have been originally submitted with a normal map and phong mask. If this is true, this is a request to have them added to the Eureka Effect's material settings

Cosmetics;
-Fixed the inverted normal maps on the Pith Helmet, Grordbort's Crest and Moonman Backpack.
-Fixed corrupted UV map on the Moonman Backpack's lower LOD model.
-Fixed smoothing group inconsistency on the Brainiac Hairpiece