I'm sorry, I can't help on that. I don't really know much about mathematics. Anything that I've worked out that applies to a particular mechanism I try to include in the tutorial.
Wonderful video! I'd watched before a few times about the concertina tower itself, but now (after your advice), the raised, not-quite-flat platform is more what intrigues me and may be the solution to my current dilemma of a right-angle v-fold "sagging". Great idea! Thanks.
Thank you for giving tutorial again, Duncan!
Thanks for sharing! It’s so clever!
Very nice -- thanks!!
thats something incredible!!! very very nicely done!!!🎉🎉🎉🎉
Thank you. You are the best world
I love your videos
I am glad to see you back. To celebrate that I have just bought your book.
Bravissimo, complimenti!!! Sto imparando tanto con lei, grazie!!
Hermoso, muy ingenioso🤩
Great!
Nice. thanks
thanks so much!!!
Where can I find a book about mathematics that underlies all these properties of folding, etc?
I'm sorry, I can't help on that. I don't really know much about mathematics. Anything that I've worked out that applies to a particular mechanism I try to include in the tutorial.
@@thepop-upchannel4919 Oh. Thank you for your answer! I love your videos! ❤
شكرا سيدى 🌹
Thank you sir. 💚
Gracias maestro 👍
Gracias!!!
How to make Alice swimming? Magali from Brazil
???
😍😍😍
HES BACK!
Ooh, I love this! I want to do a pop up with a family photo.❤
Wonderful video! I'd watched before a few times about the concertina tower itself, but now (after your advice), the raised, not-quite-flat platform is more what intrigues me and may be the solution to my current dilemma of a right-angle v-fold "sagging". Great idea! Thanks.
Buenisimo, gracias por el video.
Thanks for your generosity, You re the Best!!!
Thank you Sir.
You are the best
Thank you
Amazing.
how to make a pop up book about the female reproductive system
Good idea.