make_grid.py

import pymel.core as pm
import math 

w = 200
h = 200

rw = 50
rh = 50

num_rect_width = float(w)/rw
num_rect_height = float(h)/rh

# if the remainder is 0 we have an even count
if num_rect_width % 1 == 0:
    count_x = int(num_rect_width)
else:
    count_x = int(math.floor(num_rect_width) + 2)

# if the remainder is 0 we have an even count
if num_rect_height % 1 == 0:
    count_y = int(num_rect_height)
else:
    count_y = int(math.floor(num_rect_height) + 2)

#print('num x: {0}\nnum y: {1}'.format(num_rect_width, num_rect_height))
#print('count x: {0}\ncount y: {1}'.format(count_x, count_y))

# loop throughr rows and col
for row in range(count_y):

    for col in range(count_x):

        x1 = col * rw
        x2 = x1 + rw
        y1 = row * rh
        y2 = y1 + rh
        #print('row: {0}   col: {1}'.format(row, col))
        #print(x1, x2, y1, y2)
        
        pos_list = [    (x1, y1),
                        (x2, y1),
                        (x2, y2),
                        (x1, y2)
                    ]
        
        # add a z componenmt to the pos list
        crv_pos_list = [ (p[0], p[1], 0) for p in pos_list ]
        crv_pos_list.append(crv_pos_list[0])

        
        # build the crv
        pm.curve(d=1, p=crv_pos_list, name='row_{0}_col_{1}'.format(row, col))