Wayback Machine/Internet Archive, unless you have a new link to them.
The old link,
https://www.sasatoku.co.jp/hp/present/paper_craft/ , opens to 'Sorry, Not Found'
EDIT --
As usual, I was wrong, they changed the url,
笹徳ペーパークラフト｜スペシャルコンテンツ｜制作事例｜笹徳印刷株式会社
Looks like everything works the same, just from a different page