Methods and systems of multi-functional writing device

A multifunctional writing instrument comprising:

• a hollow body, wherein the hollow body comprises one or more cavities configured to attach with a plurality of technical drawing tools, wherein the one or more cavities are configured to attach with a projector pen and projector stick to project a plurality of technical drawing tools images on a surface, and wherein the projected technical drawing tools images are calibrated to a real-world size measurement irrespective of a projection distance to a surface projected upon;
• a first writing member having a first writing tip, wherein the first writing member comprises a lead supply and a mechanical pencil system provided in a first portion of the hollow body, and wherein the first writing tip is axial with respect to the hollow body;
• and
• a second writing member having a second writing tip, wherein the second writing member comprises an ink supply and an ink pen system provided in a second portion of the hollow body, and wherein the first portion of the hollow body is at an opposite end of the second portion of the hollow body, and wherein the second writing tip is axial with respect to the hollow body.