I claim, the ornamental design for a cylinder body for bubble generator, as shown and described.
FIG. 1 is a perspective view of a cylinder body for bubble generator, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a perspective view showing the bottom of the cylinder body for bubble generator; and,
FIG. 9 is a cross-sectional view thereof taken along line ‘9—9’ in FIG. 6.
The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design.