How to decide 2 way and 4 way Locator position

[@AprilInvestments]

Hi Bro,
Please post some videos explaining about the silhouette curves

[@AutoVisionDesign]

What is parting line in plastic ? | Parting line in Moulding | Purpose & Importance | Plastic Trim
ua-cam.com/video/zgQyJDKGviU/v-deo.html
Design Guide Tooling Step of 0.2mm at Parting Line | Injection Moulding | Automotive plastic Trim
ua-cam.com/video/E5z-WlX55JQ/v-deo.html

[@AprilInvestments]

Does the part should contain only 1 Four way locator? Is there any rule like this bro? Please provide your feedback

[@AutoVisionDesign]

3-2-1 Datum and Locator relation in Plastic Part | GD&T | B and C Datum for Plastic part |
ua-cam.com/video/pYHaK376V80/v-deo.html

[@mh11phaltankar80]

What is the positive and negative depression

[@AutoVisionDesign]

Positive depression - Coming out of part surface level
Negative depression - Going Inside or below Part surface level

[@mh11phaltankar80]

@@AutoVisionDesign can you make videos on that with the standard

[@mh11phaltankar80]

Please make the video