Making a pcb with the toner transfer method

I make all of my pcbs in my work shop. I use the toner transfer method to transfer the design to the copper. Etching is done with potassium persulfate. **Design mixer:** [https://odysee.com/@MeesElectronics:8/Building-a-transmitter-part-3-the-mixer-and-reference-oscillator:c](https://odysee.com/@MeesElectronics:8/Building-a-transmitter-part-3-the-mixer-and-reference-oscillator:c) Mees is pronounced: *maze* **More information and all the design files:** [https://www.meezenest.nl/mees](https://www.meezenest.nl/mees) **Open Source** [Creative Commons](https://creativecommons.org/) [Open Source Hardware Association](https://www.oshwa.org/) [Open Source Initiative](https://opensource.org/) My Dutch channel: @MeesElektronica **Support my work:** [https://ko-fi.com/meeselectronics](https://ko-fi.com/meeselectronics) Sound effects: [https://bigsoundbank.com](https://bigsoundbank.com) [https://freesound.org](https://freesound.org)