Really Loved the course that allows people to create their own version of blender's simulations, The only thing I felt was a bit strange was the reliance on substeps for the stretchiness of the objects. Due to it being an unintended feature, for example if a more advanced simulation was needed with multiple objects & a high amount of substeps and you wanted a stretchy cloth, it would be impossible under the current system. Would love to see an intentional implementation of it, possibly something for the advanced course?