# A few random design questions

**URL:** <https://forums.yoyoexpert.com/t/a-few-random-design-questions/422249>\
**Category:** Yo-Yo Mods and Maintenance\
**Created:** [April 2, 2025, 3:08am UTC](https://forums.yoyoexpert.com/t/a-few-random-design-questions/422249 "2025-04-02T03:08:39Z")\
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**Author:** ![hsb](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/hsb/32/193274_2.png) [@hsb](https://forums.yoyoexpert.com/u/hsb)\
**Post date:** [April 2, 2025, 3:59am UTC](https://forums.yoyoexpert.com/t/a-few-random-design-questions/422249/3 "2025-04-02T03:59:17Z")

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Re SE with plastic:

> [@One Drop YoYos Official News](https://forums.yoyoexpert.com/t/one-drop-yoyos-official-news/43021/2410):
>
> Related to OD, I think this might be a 3D printed SE on a 3D printed Deep State tribute (produced by YOYOMAKER with OD’s permission). Not sure about the SE material, but the yo-yos are printed in two methods to achieve different weight balances.

You can see in the responses that SEs are not ideal and Cabal guts are the recommended OD option for plastic.

Re SS thickness:

> [@Yoyo CAD & Prototyping Adventures](https://forums.yoyoexpert.com/t/yoyo-cad-prototyping-adventures/291547/1806):
>
> how thin can a make the walls of a full steel yoyo? i know aluminum 7075 is 1.2 mm

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