This is an Angry Flexy Rex. It is a remix of user doctor.lex's Flexi Rex with stronger links.
Made some visual modifications to it (also shown in the pictures):

Angry eyes and eyebrows
Head bump
Nose
Bigger spikes
Fingers
Claws
Mouth or Tail keychain connection

The standard Angry Flexy Rex has five plates, sorted by size (scale 80%, 100%, 150%, 200%, 250%).
The mouth and tail keychain models both have two plates (scale 100% and 80%).
They can be scaled to other dimensions.

Dimensions:

Scale 80%: height 54.1 mm, width 65.07 mm, thickness 10.4 mm, filament amount 11.2 g
Scale 100%: height 67.62 mm, width 81.34 mm, thickness 13 mm, filament amount 18.9 g
Scale 150%: height 101.43 mm, width 122.01 mm, thickness 19.5 mm, filament amount 47.3 g
Scale 200%: height 135.24 mm, width 162.68 mm, thickness 26 mm, filament amount 91.9 g
Scale 250%: height 169.05 mm, width 203.34 mm, thickness 32.5 mm, filament amount 154.2 g

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Attribution:
This model is a remix of doctor.lex's Flexi Rex with stronger links ( https://**********.com/en/models/103585-flexi-rex-with-stronger-links#profileId-649833 ).
The doctor.lex model is a remix of Kirbs' Flexi Rex (Thingiverse thing:1759297), based on airfish's remix (Thingiverse thing:2189652). That model in turn was most likely inspired by the ‘Flexy Rex’ by zheng3 (Thingiverse thing:929413).

Note to anyone wanting to sell this:
You can sell prints of this model without having to ask explicit permission, but you must honour the Creative Commons - Attribution - Share Alike license. See the GitHub page for detailed instructions.

Do you want to sell 3D prints of my designs or support my work? You can also join my commercial membership on Patreon:

https://www.patreon.com/cw/AndresMakes/membership

My main account is in Makerworld, user AndresMakes. There you can find much more of my 3D models.

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