Are there any DIY ER20 spindle plans to download/buy?

[cncsolo]

Guys, as per title.
Wanna check, how much it will cost to build the belt driven ER20 cnc locally, but need to provide the plans, for the quote.
Are there any links?

Similar Threads:

• Need Help!- Looking for US source 3kw spindle | ER20 | 100mm dia
• Where can I get a 2.2KW Water Cooled Spindle Motor ER20 Spindle in the U.S.
• Newbie- er20 spindle recomendation
• ER20 spindle help