Image imported from derpibooru 
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Original Description:
 
Should’ve knocked first Dash. And if you didn’t learn your lesson immediately you sure will after all the extra laps you’ll be flying tonight after practice!
 
Ah i dont even know where to start with this one, this was probably the most complicated muscle edit ive thrown together yet in terms of how many things i took from numerous different lineworks. It was initially meant for Tempest Shadow (something i might still end up finishing) but eventually Spitfire’s head made its way on it and this idea popped into my head so i ran with it.
 
All the body lines and tail lines are from Matchstickman’s works, the head, eyes, and wings are from Astrum’s works. And the mane was actually taken from an old linework piece by Marauder6272 that i didnt intend to make use of, but it looked extremely good when i was messing around with it so i ended up using it. I claim ZERO ownership of any of these lines used, all credit goes to those artists.
 
I’m quite happy with how this body came together. I think i hit just the right ratio of body frame size/width to muscle bulk. There may very well be more variants of this one in the future, im having too much fun with it.
 
 
usual Disclaimer (now with three artists lel):
 
I AM NOT THE ORIGINAL ARTIST nor did i draw ANY of the lines that were used to create this image so i claim ZERO ownership. All of the artwork and lines used belong to Matchstickman, Astrum, and marauder6272. I did construct some lines from scratch, but i used lines originally drawn by them to piece them together so i do not claim credit there either. I am just a big fan of them and their work is fun to mess with in photoshop. 100% of the credit goes to them because i could not make these without them drawing their own stuff first and i only upload these here because they are okay with it.