Depending on the sub-generator, many other techniques are used to add variation, such as with the sauropod generator, where any sauropod has a 50% chance of having some sort of back frill; this is then further modified by deleting a random amount of frill from the back to the middle of the sauropod. There is also a chance of removing the head portion of the frill (as long as the resulting frill would still be reasonably large). These rules were specifically selected to best match the sauropod references I could find. In this way, I could have the option of any sauropod having a frill without having to duplicate every possible neck, body, and tail option, and instead adding the frill to every possible one, and deleting it programmatically if it's not required. Similar techniques are used for the texturing, where masks for under-shadow or stripes are applied to the whole template, then parts are deleted selectively. There are simply too many special case rules like these for each sub generator to list them all in detail, from things like the variety of iguanodon head texturing rules, to the ceraptops head patterns. If you want to see the results for yourself, you can follow the twitter bot @thetinySAURS, or there’s a server that lets you generate them yourself: https://the-tinysaur-generator.herokuapp.com
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