ScreenprintingOnPaper - Revision history

Jo dkbt: /* Detailed instructions */

2016-01-14T10:21:59Z

‎Detailed instructions

Jo dkbt: /* Detailed instructions */

2016-01-14T01:15:36Z

‎Detailed instructions

Jo dkbt: /* Detailed instructions */

2016-01-14T00:17:21Z

‎Detailed instructions

Jo dkbt: /* Printing session */

2016-01-14T00:15:53Z

‎Printing session

Jo dkbt: /* Detailed instructions */

2016-01-14T00:14:54Z

‎Detailed instructions

Jo dkbt: /* Preparation */

2016-01-13T23:32:09Z

‎Preparation

Jo dkbt: /* Cleanup */

2016-01-13T23:29:20Z

‎Cleanup

Jo dkbt: /* Printing session */

2016-01-13T23:28:18Z

‎Printing session

Jo dkbt: /* Detailed instructions */

2016-01-13T23:25:08Z

‎Detailed instructions

Jo dkbt: /* Cleanup */

2016-01-13T23:23:21Z

‎Cleanup

@@ Line 43: / Line 43: @@
 * When the pigment mixture is the colour you want, mix this with an equal amount (1:1) of System 3 Textile print medium.
 * Mix well until the mixture looks consistent.
-* For printing the mixture should have a consistency similar to domestic emulsion paint or liquid honey and should drop slowly from a palette knife dipped into it.  If it is too dry or sticky to drop, mix in small amounts of extra medium until is more fluid.  This can happen when ink has been stored and reused.
+* For printing the mixture should have a consistency similar to domestic emulsion paint or liquid honey and should drop slowly from a palette knife dipped into it.  If it is too dry or sticky to drop, mix in small amounts of extra medium or water it is more fluid.  This can happen when ink has been stored and reused.
 See this video as a guide to judging ink consistency and avoiding ink which is too dry or too wet for printing:
 [https://www.youtube.com/watch?v=3Ddb6Za4vP4| How to Mix Screen Printing Ink]

@@ Line 44: / Line 44: @@
 * Mix well until the mixture looks consistent.
 * For printing the mixture should have a consistency similar to domestic emulsion paint or liquid honey and should drop slowly from a palette knife dipped into it.  If it is too dry or sticky to drop, mix in small amounts of extra medium until is more fluid.  This can happen when ink has been stored and reused.
 <ol start="6">
 <li>'''Prepare some pieces of test paper (of similar size to your design)'''</li>
@@ Line 49: / Line 51: @@
 <li>'''Clear space in drying rack'''</li>
 <li>'''Print on paper or items'''</li>
 </ol>

@@ Line 39: / Line 39: @@
 To mix a new batch of non-textile ink:
-# Take an empty clear plastic ink pot to mix your ink mixture in
+* Take an empty clear plastic ink pot to mix your ink mixture in and use a spoon to measure out pigments and mix if needed
-and use a spoon to measure out pigments and mix if needed
+* Choose a colour of System 3 pigment (paint) or mix System 3 pigments to create a new colour.  For mixed colours mix well until the colour is completely even, so that the print will be consistent on each item
-# Choose a colour of System 3 pigment (paint) or mix System 3 pigments to create a new colour.  For mixed colours mix well until the colour is completely even, so that the print will be consistent on each item
+* When the pigment mixture is the colour you want, mix this with an equal amount (1:1) of System 3 Textile print medium.
-# When the pigment mixture is the colour you want, mix this with an equal amount (1:1) of System 3 Textile print medium.
+* Mix well until the mixture looks consistent.
-# Mix well until the mixture looks consistent.
+* For printing the mixture should have a consistency similar to domestic emulsion paint or liquid honey and should drop slowly from a palette knife dipped into it.  If it is too dry or sticky to drop, mix in small amounts of extra medium until is more fluid.  This can happen when ink has been stored and reused.
-# For printing the mixture should have a consistency similar to domestic emulsion paint or liquid honey and should drop slowly from a palette knife dipped into it.  If it is too dry or sticky to drop, mix in small amounts of extra medium until is more fluid.  This can happen when ink has been stored and reused.
+<ol start="6">

@@ Line 15: / Line 15: @@
 <ol start="6">
 <li>Prepare some pieces of test paper (of similar size to your design)</li>
-<li>Select '''square-profile''' squeegee</li>
+<li>Select '''square-profile''' squeegee which is the smallest which is wider than your design</li>
 <li>Clear space in drying rack</li>
 <li>Print on paper or items</li>

@@ Line 32: / Line 32: @@
 # '''Check paper or items are suitable for printing''' For best results paper should not be too thin or it may wrinkle or get waterlogged.  Note that typical 'office' or 'computer' paper (80 gsm) is usually too thin and will not dry flat especially if there is a lot of ink in the design.  Non-paper items should ideally be somewhat absorbent or the print may scratch off.
 # '''Prepare a screen and stencil''' – see [[CreatingScreenprintingStencils]]
 # '''Mix '''non-textile''' printing ink'''
 ## First decide on the colour to be printed in this session.

@@ Line 8: / Line 8: @@
 # Prepare a screen and stencil
 # Clamp the screen into the printing frame using the hinge clamps
-# Ensure the screen has suitable '''snap''' / '''off-contact''' for the thickness of this paper/item. To test this press down gently on the centre of the screen.  It should depress around 3mm and spring back.
+# Ensure the screen has suitable '''snap''' / '''off-contact''' for the thickness of this paper/item. To test this press down gently on the centre of the screen.  It should depress around 3mm and spring back.  Use acrylic pieces (in the small drawer unit) under the edge of screen nearest you to increase the height.  If printing on a thick item or using the small platen, also insert acrylic pieces between the underside of the screen inside the clamps.
 # Mix '''non-textile''' printing ink

@@ Line 22: / Line 22: @@
 ==== Cleanup ====
-# Wash screen, equipment and hands using washing-up liquid and cold water.
+<ol start="10">
-# Mop up any water from the floor to avoid a slip hazard.
+<li>Wash screen, equipment and hands using washing-up liquid and cold water</li>
-# Log activity and pay for any Makespace materials by items x print size
+<li>Mop up any water from the floor to avoid a slip hazard</li>
 === Detailed instructions ===

@@ Line 13: / Line 13: @@
 ==== Printing session ====
-# Prepare some pieces of test paper (of similar size to your design)
+<ol start="6">
-# Select '''square-profile''' squeegee
+<li>Prepare some pieces of test paper (of similar size to your design)</li>
-# Clear space in drying rack
+<li>Select '''square-profile''' squeegee</li>
-# Print on paper or items
+<li>Clear space in drying rack</li>
 ==== Cleanup ====