What is best way to take? Advice needed
I assume from your writing that English is not your native language.  It would help if you mentioned where you are living and working as opportunities vary greatly around the world.  If you are living in an English speaking part of the world, then you might want to improve your language skills.  Good communication is critical in almost all ventures.<p>Are you a qualified architect? If so, are you no longer enjoying your profession? You seem to imply that you are having trouble finding work as an architect, why is that?<p>3D visualisations, especially in architecture, is a much in demand skill. Of course, your tooling needs to integrate with AutoCAD, RevIT, etc.  Recently I tested VR headset for walkthroughs - very impressive when done well.<p>On a technical note, JavaScript is not a particularly good first programming language to learn.  It is difficult to debug stuff and you can easily develop some bad habits.  Have you looked at Python?  There are a lot of good tutorials and examples out there.<p>So what exactly are your ideas for a startup?  You seem to be rather vague on that part of your question.<p>Sorry about so many questions, but it is hard to offer help when you are not specific with your questions.