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Portor Marble
August 24, 2011 by Marc Potocsky in How To / 5 Comments.
Contact Marc Potocsky by email or visit Marc's web site, http://www.mjpfaux.com
Brushes and Tools:
different size small round and pointed brushes
veinette or 2 header
Badger softener
Golden Fluid Acrylic Paints:
Artist fluid acrylics
white chrome yellow
raw sienna
yellow ochre
red ochre
burnt umber
black
white pencilAll glazes are a basic combination of:
Acrylic glaze
Matte Medium
waterStep 1: Apply Two Coats black satin finish acrylic or alkyd , sand between coats, spray or roll , allow to dry.
Step 2: For beginners, lightly draw structure lines white pencil palette white, raw sienna
Step 3: Initial palette – white, chrome yellow, raw sienna, yellow ochre, red ochre
step 4: Take a long pointed round brush. Dip one side into yellow and the other into raw sienna, then tip it with white. Make candle like flames starting your veining with the tip then adding pressure to the heel of the brush at the end of every stoke. Press and release without leaving the surface. As you add and twist the brush the color will change.
Steps 5 and 6: Use different combinations, adding the yellow ochre, red ochre and white.
Step 7: Continue top to bottom.
Step 8: Left to right add some faded light structures.
Step 9: Link the chains together with thin, sometimes trembling, horizontal lines. Add some tiny chains here and there.
Step 10: Add some white fissures and deposits across and over the chain structure. Also add some white accents in the chain structure.
Step 11: Using a veinette or a 2 header you can horizontally brush across the chains with a glaze of burnt umber and black. Add some long, thin veins and fissures going perpendicular with the chains.
Step 12: Make a transparent dark gray glaze: black, white, raw umber. Using a round brush make some different size clouds and spots in the black areas.
Step 13: Soften and fade. Be sure not to get it on the veining.
Step 14: Continue adding the dark gray clouds from left to right in the dark areas.
Step 15: With the dark gray shapes complete, you can consider this a finished piece.
Step 16: Or you can take the option of darkening and pushing back some chains with a 2 header using transparent black or brown glaze, darkening some chains and then let dry. Once the surface is fully dried, apply smooth topcoat/varnish in either Satin or Gloss finish. Sand between coats, spray or roll/ tip.
Marc Potocsky’s business MJP Studios is located in Branford, CT. In addition to teaching work shops on marbling, wood graining, tromple loeil, molding and ornament, he also hones his skills in photo realistic still life and portrait drawing. He has a dvd on marbling, beginner to intermediate.
MJP Studios
241 Branford Road, #254
North Branford, CT. 06471
203.488.1265
mjpfaux.com
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5 Comments
Brian
Another gem.
For the likes of me, drawing lightly on the surface alone a great tip, As a beginner I dont think that simple, strange, but a hallmark of beginners in anything
Brian.
24 Aug 2011 06:08 am
steve shriver
That’s a great demo! Thanks for sharing! The result is very convincing and attractive.
26 Aug 2011 10:08 am
NameTheresa Cheek
Just now catching up…this is such a great tutorial Marc! You make it look easy!
29 Aug 2011 11:08 pm
NamePierre finkelstein
Great job
03 Sep 2011 12:09 am
Marc Potocsky
Thanks everyone for the wonderful comments. Portoro is one of my faves!
You can see some more examples at:
http://www.fauxforum.com/viewtopic.php?t=9772
12 Sep 2011 10:09 pm
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