1.Onshape 與電腦輔助設計:Onshape 可以讓使用者直接使用瀏覽器、平板或手機進行電腦輔助機械設計繪圖
2.所謂雲端
https://en.wikipedia.org/wiki/Cloud_computing
shared pools (可供共享用之眾多伺服器) of configurable computer system resources (可配置的電腦系統資源)
雲端運算 - 用多少開多少 - 用多少付多少 - 彈性高負擔少
pool: a readily available supply (能隨時提供配置與調適)
Ubuntu Cloud: https://help.ubuntu.com/lts/serverguide/ubuntucloud.html.en
higher-level services that can be rapidly provisioned (可快速配置) with minimal management effort (最少管理), often over the Internet.
Cloud computing relies on sharing of resources to achieve coherence (一致性) and economies of scale (經濟規模), similar to a public utility (公共服務事業, 如電力公司與自來水公司).
3.可以透過Python 3 程式驅動的 FreeCAD