Opitec Hobbyfix 104.098 User manual

1
D104098#1
Please Note
The OPITEC range of projects is not in-
tended as play toys for young child-
ren.They are teaching aids for young
people learning the skills of Craft, De-
sign and Technolo- gy.These projects
should only be undertaken and tested
with the guidance of a fully qualified
adult. The finished projects are not
suitable to give to children under 3
years old. Some parts can be swallo-
wed. Dan- ger of suffocation!
104.098
Labyrinth
Parts list
Stückzahl Maße (mm) Teil-Nr.
Sides, plywood 2 8 x 80 x 300 1
Sides, plywood 2 8 x 80 x 200 2
Playing field, plywood 1 4/5 x 140 x 240 3
Small parts, plywood 1 4/5 x 30 x 100 4
Pine strip 2 10 x 20 x 300 5
Pine strip 2 10 x 20 x 200 6
Pine strip 6 5 x 10 x 250 7
Dowel 1 ø 4 x 100 8
Dowel 1 ø 6 x 350 9
Dowel 1 ø 6 x 250 10
Wooden wheels 4 ø 30 mm 11
Screws 4 2,9 x 9,5 mm 12
Marble 1 ø 15 mm 13
Thread 1 1,00 m 14
Necessary tools
Fret saw
Pillar drill or hand drill
Wood glue
File
Scissors
Coloured pen
Forstner bit

16 16 16 16
8 8
300
80
8
35
150
300
10
Ø 4
Ø 6
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16 16 16 16
8 8
300
80
8
35
150
300
10
Ø 4
Ø 6
Abb. 1
8
1616161616
8 8
92
25
Ø 6
200
Abb. 2
Abb. 1a
8
1616161616
8 8
92
25
Ø 6
200
Abb. 2a
Instructions
Allgemein
The frames can be constructed using butt joints, glue and nails or a made with more difficult finger joints or with 45
degree sawn mitre joints.
1. The outer frame ( Finger joint construction)
Finger joint construction:
a) Mark out an 8mm line on both ends of the sides ( Diagram 1). Divide up this line into 5 x 16mm divisions and
square them across as shown. Hatch line the parts to be cut as shown. Carefully cut out the hatched finger joints with
a fretsaw and finish with a wood file ( Diagram 1b) Finish the two side parts and two end parts as shown ( Diagram 1
& Diagram 2)
b) Mark out and drill the two holes 6 & 4mm diameter as shown. Use a pillar or hand drill.( Diagram 1a & 2a)

3
D104098#1
Abb. 3
270
10
20
170
200
300
10
20
10
10
10
85
13510
Abb. 4
Abb. 5
Abb. 3
2. The inner frame ( Butt Jointed )
a) Shorten the pine strips ( Parts 5/ 6 ) from the length 270mm to 170mm ( Diagram 4)
Mark out and cut the joints as shown
b) Mark out and drill the 4mm hole in the middle ( Diagram 4 )
c) Assemble the four outer frame parts as
shown and glue them together.
Note.
Take care as regards to the position of the
holes !
c) Assemble the frame as shown and glue the parts together ( Diagram 5)
Note:: For strength nail as well as glue
Instructions

240
250
5
10
240
230
10
140
250
5
10
69
10
140
130
70
4D104098#1
240
250
5
10
240
230
10
140
250
5
10
69
10
140
130
70
Abb. 7
18 38 30 30 30 25 25 25 15
250
10
5
25 25 35 35 20 20 20 20
10
5
250
15 15
Abb. 9
Abb. 6
Abb. 8
Instructinos
2. Frame for the playing area ( 45 degree Mitre joints)
a) Saw the pine strips (7) to length of 240mm and then saw the 45 degree mitres at the ends
( Diagram 6)
c) Mark out and drill the central holes (
4mm diameter) as shown ( Diagram
7)
Assemble the frame together as
shown ( Diagram 8)
d) From the two remaining pine strips (7) mark out and saw the pieces for the playing field ( Diagram 9)
b) Saw two pine strips (7 ) to 140mm and cut mitres as above

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D104098#1
Abb. 10
Abb. 11
Ø6
Ø4 Ø20
Abb. 11a
3. Making the discs for the guidance system
a) Mark and saw out 4 discs 20mm diameter on the plywood sheet ( Part 4) Drill a 6mm hole through the middle of
the discs – then saw them out.
b) Saw out and drill the spacers ( 4mm diameter )
Instructions
e) Use the pattern ( Page 7) to mark out the playing field ( Part 3) Drill the 20mm diameter holes with a forstner bit
Arrange and glue on the pine blocks ( from step 3 ) as shown in Diagram 10
Finally glue the frame around the edge.

6D104098#1
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4. The guidance system
a) Saw the dowel (Part 9) to 310mm and the dowel ( part 10 ) to 210mm
b ) Insert both of the dowels crossed over underneath through the 6mm holes in the frame
Glue a 30mm wooden wheel A ( Part 11 ) on each end of the outer frame Diagram 12
c ) Cut from the dowel ( Part 8) 4 pieces 25mm long. Arrange the plywood discs B around the inner frame and inset
the 25mm dowels. Diagram 12
Note:
Leave a little play between the wood discs and the frames
d ) Arrange the wooden discs C between the frame using the 25mm dowels ( Diagram 12)
Instrucitons
Abb. 12
e) Wind a 200mm long thread about 3/4 turns on each dowel axis on the underside of the game ( Diagram 13 /14) Fix
the ends of the thread using the plywood pieces from part 4
Fix each plywood piece with a screw ( part 12 )
Note:
Carefully adjust the tension of the thread with the fixing screw
A A
B
C
Abb. 14
Abb. 13
B
C
A
A
B
B
Playing eld
Inner frame
Outer frame

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D104098#1
START
ZIEL
240
140
Pattern for the playing field
Scale 1 : 1
Note:
The finish of the playing field is left up to you