I use these to secure my spot with beaded patterns. I use a starfish-sized magnetic sheet in a protective case. I placed the pattern on the clipboard and the steel ruler marked my spot. This was my own idea and it works well. I'll try to add a photo later.
π‘οΈ Continuous Temperature Monitoring with Relative Humidity Integration
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π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
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π§ UEi Test Instruments DAFM3B Digital Multimeter
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π Dioxide Controller for Digital Gas Monitoring
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