This pretty model does not hold together well without glue. I found a way to fix this problem with a small modification. If the right sided flap folded at around the 1.55 minute point is NOT tucked into the back pocket at around the 2.00 minute mark, it can be tucked under the left side of the adjacent piece at the end. This makes the model sufficiently secure, even with thin paper, to avoid using glue to keep the connections from slipping out. It does not change the look of the model much: the petals are just closer together and form a neater triangular section that aesthetically alternates with the central triangles. Try it!
My first attempt went into the garbage. The paper was too smooth, My second and third attempts were better as they were made with paper that was rougher/stiffer. I made a third only because the second got some water on it (letting it air dry over night saved it!) A great deal of patience was needed on my part. I used 1.5 x 3 inch strips, and may have had an easier time with a larger size. The pattern on the finished model is very striking on paper with a solid on one side and print on the other, where the solid makes the center star (blue in the video).
Since I'm running out of origami paper, I used bright primary colors (red, blue, orange, yellow, green) and distributed them across the model. The result is so cheery and delightful! Thank you for another great tutorial! I love that you move your hands away and pause after folding so that we can see the state of the unit. I've seen videos where the demonstrator keeps their hands over the unit, and it can be really hard to follow. Keep up the great work!