The ornamental design for a modularconstructionpanel, as shown and described.
FIG. 1 is a top view of a modular construction panel;
FIG. 2 is a front right perspective view of the modular construction panel placed adjacent to a like modular construction panel;
FIG. 3 is a front left perspective view of the modular construction panel placed in a stack of like modular construction panels;
FIG. 4 is a reduced view of a first example of a structure formed using the modular construction panel and two like modular construction panels;
FIG. 5 is a reduced view of a second example of a structure formed using the modular construction panel and three like modular construction panels;
FIG. 6 is a reduced view of a third example of a structure formed using the modular construction panel and four like modular construction panels; and,
FIG. 7 is a reduced view of a fourth example of a structure formed using the modular construction panel.
The broken lines shown in FIGS. 2 through 6 are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.