This is a simple tutorial to get your feet on the ground with markers.. I've knoticed some people having some trouble, and I've been asked by some how I render... so I hope this offers some bit of aid.
My markers were running low so most of the values came out a little cruddy.
First I simply block in my forms and perspective with a 10 % marker. this wont show up in the final scanned image. if you have a hard time using a 10 if you use 20's you're probobly ok for a good scann.... Knotice how I took this step to fix some perspective issues with the cube.
After that I go in and do a simple ink, I added some inked grime and scratches for fun ... I use those perspective lines to get my elipses just right, plus I like how "constructive" it looks in a final sketch.. it aids in the viewers understanding of the perspective.
Since I wanted some contrast with some drop shadows I went in with a darker shad first.. blocking in the shadows and having fun with their placements..
I go back in with my lighter shade and fill in the rest of the shading.. (I tried to blend it a little but it was hopeless, my markers were on their last leg)
Finaly I went back in with a darker shade to fill in some areas that I wanted more shadow on, after that I used a white pencil to add highlights and grime/dirt.. I also used some whiteout for some major highlights.. just having a little fun (yes I went overboard)
I hope this helps somewhat, it shouldn't take longer than 15 to 20 min to do... and it never hurts to go back to the basic shapes (cube,cylender,cone,sphere) because they are in every faccet of rendering.
good luck, I'll try and get a crisper one up once I throw down the cash for some new markers :chug: