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Showing posts with label movement. Show all posts
Showing posts with label movement. Show all posts

Saturday, September 2, 2017

Finishing Sculpture from Last Summer

Building
Last summer, I started building two large sculptures but ran out of summer work time before I could finish them. I was able to build the sculptures last summer and bisque them, once I got a new kiln. They waited patiently in my studio until June of this year when I was able to begin applying color.

the sculpture in progress in 2016


Planning Attachments
Last summer, while I was building, I planned to attach bike parts to both sculptures. I had been thinking about moving parts for some time and I knew I wanted to try incorporating small scale moving parts positioned like leaves on the stem of the taller plant form.

placing bike parts in their planned location


The bike parts themselves incorporate bearings and have a nice smooth spinning motion. Last year, I had thrown some round shapes on the wheel with the intention of using them on top of bike pieces roughly this size. I epoxied these round forms onto bike parts. Inside these forms I attached found objects and fired ceramic pieces to add visual interest and to hold up the "stamen" of the "flower."

spinning bike parts with ceramic toppers

Underglazing and Glazing
The underglazing process for this sculpture, like all my underglazing processes, took a ridiculously long time because I layer at least two colors on each part of the sculpture.

first layer of underglaze in the kiln

For this sculpture, I first applied green underglaze to the "stem" or "trunk" of the plant, yellow to the gear sprigs, and purple to the closed and open forms on top of the sculpture. I bisque fired these first underglaze colors in place, then applied off-white into the texture of the stem and red on the gear sprigs, interiors, and indents of the top forms. There are a few more colors applied and layered on the sprigs that are almost hidden inside the circle formed by the top forms.

 
first and second layers of underglaze in progress

Applying the red on the top forms was most difficult where the forms butted up against one another. It took me several days and I had to wipe off glaze and reapply several times. Finally, once everything was fired to my satisfaction, I applied gloss glaze on the top forms and the sprigs.

underglaze and glaze finished

Repairs
Last summer, during the drying process, a small but noticeable crack developed between the two top sections. The crack was probably due to the heavy weight of the two top sections pulling down on either branch of the stem. I noticed it before the form was completely dry and tried to save it by adding clay and using fabric to put the two sides in traction. 

bracing the sculpture to try to prevent cracking

The repair didn't wholly fix the problem and I was left with a small crack between the two branches. After the last glaze firing, I mixed up some epoxy paste and pressed it into the crack. Once the epoxy set, I mixed some acrylic paint and painted the epoxy to match the underglaze.

epoxy on the crack 

The seam isn't noticeable at first glance, but I plan to further hide the repair by painting a matching off-white paint into the impressed texture to match the design elsewhere on the sculpture.

painted crack

Attachments
After all the glazing and repair was complete, I finished attaching the blue flower shapes (a.k.a. "end caps") to their non-ceramic elements and then attached those to the sculpture itself. 

toppers (a.k.a. end caps) before being attached

I had built round shapes sticking out of the sculpture to which these bike pieces would be attached.

the round part onto which the bike part attaches


One major challenge was applying the epoxy so that it stuck to the interior of the bike part but did not stick to the outside that was supposed to move.
epoxy applied

While the epoxy set, the attachments had to be held in place with masking tape. Only three of the six attachments are set as of this writing, but all three of those spin freely. The others are setting with tape in place.

toppers being held in place while epoxy sets
My goal for September is to take some quality images of this finished sculpture and possibly finish the other large piece as well.

a funny angle on the almost-finished work

Thursday, April 3, 2014

Bike Wheel and Letter Pieces

The piece I was working on during spring break didn't end up working quite as planned. I intended to put a bike wheel with bulbs on it onto the base I had built with computer keyboard keys. Unfortunately the base is pretty wobbly and the bike wheel is heavy, causing the whole thing to tip over with that much weight. I traded in the wheel for some other parts, though I still have some work to do in balancing the piece.

keyboard letter piece

I altered my plan for the wheel, too, and decided to put it onto another base I had prepared for a different top. I don't believe I ended up finishing the top for that piece--it was one of several pieces that ran up against December's end of sabbatical deadline. The bike wheel was still too heavy for the new, more stable base, so I ended up filling the base with cement. I've never put cement in any of my pieces before, so this was an unusual experience.

spinning bike wheel piece

I'm not sure that this work will be particularly portable, since it is so heavy and wide, but I had fun making it. The top spins on a ball bearing that was part of one of my boxes of bike parts (Thanks, Revolution Cycles). The base, besides being filled with cement, has a bike chain built into/around it. 

I accidentally spun the wheel during the last moments of the photo, causing a strange faded color and a ghostly image in some places

I plan to bring the wheel piece and other work from my sabbatical to Oak Hollow Gallery this weekend to set up for the next show. The exhibition opens April 8 and features work by four photographers (Becky Blair, Corinne Hines, Jeff Reynolds, and Eric Tchemitchell) as well as my ceramic sculpture. Join us for the reception on April 12 from 2-4pm.



Saturday, October 12, 2013

Movements, bulbs and melting glass

A full table of drying sculpture helps me feel a sense of accomplishment. This week I finished three multi-part pieces (each piece has four or five completely separate clay sections that each need to dry and be fired separately) before Friday. 

table of wet work from this week (plus one dry pitcher plant)

I don't like to start new projects on Friday, since the clay will dry over the weekend. I also didn't feel like throwing today because I'm trying to let my broken pinkie finger heal (I don't think throwing is exactly recommended with a damaged digit).

kids flossers in a bulb
I have been making bulbs for my installation regularly all summer, but I cranked out a few extras this week. It's a little hard to keep track, but I think I've now built 85 (out of 100). My self-imposed deadline for all studio building is Halloween. After that I will glaze for a month.

flosser bulbs in back

After 80 some different bulb surfaces, I start looking for a little more variety. The more recent bulbs are a bit more mechanical in feel, probably at least in part influenced by the big work I am building when the bulbs are cast. This week's bulbs included 5 with non-ceramic additions that I plan to add after firing. They don't look like much while they are drying, but they should be interesting once complete. Hopefully they won't look too wacky as part of an installation.

holes for glass to drip out during firing

Instead of diving into a new set of big work on Friday, I decided to do a few experimental pieces. Friday afternoon I mostly worked on small pieces to test movements or experiment with glass inclusions. The glass pieces are harder to show when wet, since they aren't so much pretty as experimental and results are reliant on the glass melting during firing. I had intended, as part of my sabbatical, to test some non-ceramic materials. I have tested some, but I still have a few ideas that I would like to work through.


base to catch glass drips

I think an obvious extension of mechanical inclusions in clay is to create movement with the finished piece. I have previously made interactive pieces in graduate school and as part of my senior show in college, but I wanted to look into a movement that is fully integrated into the piece itself. Last night as I was pondering this issue again, I realized that I had a bike part with ball bearings in a box in my studio. It's small, but the movement is smooth. I decided to try a test piece at a small scale. The top will be attached on the outside, the base fits inside the piece and the bike part provides the movement. 

base and top of "ball bearing" piece