The first coaster is called "Gwein"
The chart below could be also worked for other crafts - cross stitch, knitting, beading.
Note: Where the pattern states Treble crochet UK/ Double crochetUSA if you follow UK crochet instuctions do a treble, if you follow USA instructions do a double crochet DO NOT do both!
Starting at bottom of chart/ graph chain 82 and another 3 chains to turn (this will count as the first treble crochet UK/ double crochet USA) of first the row.
Treble crochet UK/ Double crochet USA into the 5th chain from hook. Double crochet in next 2 chains to complete bottom right solid square of row 1.
Continue following pattern for first row reading chart/ graph right to left. After completing first row, chain 3 to turn to start next row.
Continue following chart/graph until all rows are complete. At end of row 27 fasten off.
(Crochet cotton size 10) About 76 metres/ 83 yds, hook size 1.5mm/ US size 7 steel crochet hook or SIZE FOR GAUGE.
APPROXIMATE FINISHED SIZES:
Using Crochet cotton size 10: width = 40.1 cm/ 6.2 inches, height = 43.5 cm/ 6.8 inches
Using Crochet cotton size 10: 10 squares = 14.8 cm/ 2.3 inches, 10 rows = 16.1 cm/ 2.5 inches
HOW TO READ PATTERN:
Each solid square is equal to 4 Treble crochets UK/ 4 Double crochets USA. Each open square is equal to 1 Treble crochet UK/ 1 Double crochet USA, followed by 2 chains, followed by 1 Treble crochet UK/ 1 Double crochet USA. The Treble crochet UK/ Double crochet USA at the end of each square also counts as the first Treble crochet UK/ Double crochet USA of the next square. For example, a solid square followed by an open square is 4 double crochets,
2 chains, 1 Treble crochet UK/ 1 Double crochet USA.