Remixed Control Unit

Syringe Piston remixed to better work with Care Touch 10 mL Oral Syringes (https://www.amazon.com/gp/product/B01JJYMOP6/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1)

Syringe Holder remixed because I had difficultly with the tab on the back making it difficult to insert the slider, causing the part to break. I have removed this tab, making the unit work better for me.