After you file

No..not for that.  You could just get the 1040ES forms on a PDF document from the IRS and write in your own amounts and mail them in with a check.

https://www.irs.gov/pub/irs-pdf/f1040es.pdf

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There's also a way to arrange direct Debits without any forms using the following, but I've never used it, and in either case, you need to keep a good record of what you paid each quarter.  pay attention to the Due-by dates because the "quarters" are not equal:

https://www.irs.gov/payments/direct-pay

____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*

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