Hoo boy...a quite amazingly done and veeery strange and cursed comm, depending on opinions by the talented Rex-equinox! If there was some Crack Ships...how about a Crack TF? Which isn't a shitpost or meme-like transformation but a genuine sort of effort to make an appealing transformation? Here we got Twilight Sparkle becoming the ever eponymous Thomas the Tank Engine, thanks to some conveniently placed magic shed buffers!

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While the frontal part of the body was fully casted and solidified. The rear part of her was still catching up with her...posterior growing to a appropriate size to be able to fit the current status quo going out on the frontal areas of the body.

While that happened, a red buffer beam began to jut out from the underside meant for cushioning impacts when shunting freight and coaches. And of course, couldn't forget the coupler with the chains and hook included which tickled a little bit. All coming from the remaining hair from her tail, which now ceased to exist that also now made a red lamp stuck to the very middle of the upper rear to help be visible at night time to avoid collisions.

In that case. Her bottom in general was starting to square out for the better, the top of it becoming a nice jet black semi-circular roof to keep potential drivers and firemen nice and dry inside while yellow trimmed windows and door frames would cut themselves painlessly across the sides and front for good view of the tracks and surroundings for said crew. And of course, a door flopped into existence on both sides as a coal bunker had pushed out, being magically filled with suddenly existing coal to keep the firebox burning to boil the water.

Speaking of. The firebox itself, from Twilight's stomach would finally expand and weld itself into place with its own lid and such connecting to the boiler and magically lit itself up, with additional fuel and coal filling it up for the ex-pony to move herself.

With that many levers, valves, gauges and many other miscellaneous stuff also formed all over the front of the newly formed cabin, with a pull chain connected to the two golden whistles that sat nicely in front the cab and in-between its rounded windows.

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Feel free to fave, share around and comment your thoughts down below! Though...Derpibooru is probably gonna have my head for me with downvotes but i understand and that's ok. Not everyone's cup of tea and its their opinion. I hope this is an inspiring pic for many others for how the most unusual TFs can come from the most unexpected places.

Art belongs to Rex-equinox
MLP FIM belongs to Hasbro
TTTE belongs to HIT entertainment and Mattel